. This picture shows pulling up the treadle cord for thetreadle on the outside left, and getting ready to open the clip. It is held in place on the treadle by spring tension on one of the treadle screw eyes. ZTE0ZDQwYmViZjE3MDgyMDIyOWMwYWE4NGE1MzhjNWRjODYyYzYxOTk0MDM2 Jack loom treadles are usually attached at the front of the loom because they need to travel twice the distance that a treadle normally travels. Updated April 29, 2019. Tip Of The Month The shortest cord goes from the treadle on the right to the pulley in the center. I use heavy rubber bands to mark my center treadles and other significant treadles to help my feet find the correct treadles without peeking. Since I had changed my mind about the number of shafts on the loom, I needed to have all 8 treadles available for the tie up, too. the rest or depressed position. Note the rubber bands on the center treadles. Cat's PJs Thats not the end of the world, but it can be confusing and maybe even frustrating. Spring-1 Adjusting the heights of shafts, treadles, upper and lower lamms. The San Francisco-based company on Thursday lowered its full-year revenue outlook to $1.28 billion to $1.284 billion from an earlier estimate for $1.33 billion to $1.34 billion. 1009-3628, BACK HINGE TREADLES KIT FOR EXISTING NILUS 8 SHAFT LOOM, KIT 4 MORE SHAFT WITH BACK HINGE TREADLE:
It makes so much sense and made weaving a breeze. greater that 4 shafts) include these Treadle Springs on the back that can connect the treadles to the loom jack box. Scarves October 2019 I just did and there was good info. The four closest to the camera are misaligned. You can do this very easily. I use these images in teaching whenever there is an angle or a pivot on the loom: sheds make angles; treadles, lams, and jacks have pivots. It says that shafts 2 and 4 go up, while shafts 1 and 3 stay down. The application of the gate idea explains why in some looms (especially those with many shafts), the shaft that is the farthest away from the fell (the last shaft) is designed to raise or lower the threads more than the front shaft that is closest to the fell. If you are using a traditional cord tie-up, this means that the cords suspending the shafts, lower lamm wires, and upper lamms will be loops, therefore doubled. The 4 shaft model can be upgraded to an 8 shaft with or without Back-Hinge Treadles . Treadle A is tied to shafts 1, 2, 3 and 4. ZjYxOTA3ZmFlNjgwMzBhNDg2MTcxNmJmYzAwNmZjYzMzYWZjNmJiMjk4ZjBl You take what seems to be a complicated subject and boil it down, give it a shake and voila! If the top of the shed has threads at different heights, you can change the lengths of the treadle cords so that the threads will line up. Repeat for the other shafts. February 2016 By rotating the tie-up 90 degrees, the tie-up will look like the image shown below. The rest of the cords are still hanging in the front. Jack Loom. Then you will be happier with the treadle tie-up if you ignore the exercise in the book and tie up two treadles to each shaft. For example a 2/2 twill would be treadled 1&2, 2&3, 3&4, 4&1 starting with both feet on the center-most treadles. Tools In this section we discuss counterbalance looms, countermarch looms and jack looms. The beater is raised to give an even bottom shed and make the threads sit on the shuttle race. The tie-up is also much faster and easier. This creates less strain on you and the threads. It's interesting that you can follow guides to help learn how to use a loom. OTU3YTU0Nzg3MmQ1NmZkMTFjMWE3ZGEzMzg5ODc4YTMyOTU1ODE4YzBjODVl When a shed is made, the tension on the warp threads is the same on the top and bottom of the shed at all times. Ply Split The Leclerc Compact loom is light but solid 4 harness floor loom, and easily movable when folded. Life History-Day 4 Fig. The left inside treadle connects to shaft three and the right inside treadle connects to shaft four. The Nilus II Countermarch loom comes with 8 shafts and the Leclerc Back-Hinge Treadling System for very easy treadling. I have just bought a floor loom and had just these very points in my mind as queries. You have given such a clear, detailed explanation. This is normal. A jack loom has a rising shed, meaning that the shafts lift when the corresponding treadle or lever is depressed. Whats going on? The possibility of confusion is high. YTc4OGM5ZDFkZjE2ODkzOGUwYTA0ZjQ3YWZiMjEzZTY4ODFkNGUzYmQ2MDJl The actual tie-up on the loom would not look like a straight twill tie-up at all. This often seems to mean that the tabby treadles are tied up on the left side and therefore I need to use my left foot for both of them. Block Weave Each shaft has a hook (dog clip). I have to admit that walking the treadles and various treadling modifications have changed my weaving and made weaving much more comfortable for me. This tie-up works for jack and counterbalance looms. In fact, my own 4-shaft looms have only 4 treadles, so this is what I use for everything. Also know that the treadle cords will be criss-crossed all over the place, as each treadle will be tied to multiple shafts and each shaft will be tied to multiple treadles, as your weaving draft requires. The reliance on heavier shafts makes the treadling difficult. This book includes information about attaching beam cords, assembling shaft holders, assembling shafts, diagrams of the two main types of countermarches, the tying up of lamms and treadles, reading tie-up drafts, tying traditional loom knots, a warp sett chart, a reed chart, metric and English conversions, how to use Texsolv heddles, cords and OTRjNjc1MjQwZWI3MzlmYWU4Mjk3OGJlOTBkZjg2NzhmOTZmNmFkOWJmNDcz The first step is to rotate the tie-up 90 degrees. I also added all texsolve and use Becky Ashendon's suggestion of knitting needles threaded under the treadles. ZDg2MzdlZDg4MDNjYjJiZGE2ZWZiZjUyYTMwYmJmNzAxMTNjMTEyMThhYWY2 This allows you to comfortably rock from left to right as you throw the shuttle from left to right. Is that right? The information on tying up the two-beam looms, scroll to the bottom of this page. Many weavers know counterbalance and countermarch looms need special adjusting, but they dont know that jack looms can need some adjusting, too. There is little difference in the weaving on a loom between the two types of countermarches. Facebook Challenge to help me find the center without peeking). Below are shots of the treadles and tie-up cords. This way to tie up your treadles is a fantastic gift that Jim Ahrens taught us. Jack Version. ZDUyMjMwMTNmOTAwNzBhY2QxMWI3ZmEwZGQ3ODI1NWM2MjI5ZmQyODEwNmQ5 The operable cord is in the fourth hole form the left. Countermarch and counterbalance looms won't allow the same flexibility of stepping on treadles . Process Leftovers Includes: 4 harnesses, 6 treadles Loom includes: 8, 10, or 12 dent reed and approximately 600 wire heddles . You can see four cords that are not tied to any shafts, with their dog clips hanging. There are 6 treadles tied up in this photo, the two on each side are hitting the floor, not in use right now, not tied up to any shaft. When weaving with more than four shafts on a jack loom, some shafts may not stay down. This shows the 4 treadles which aredifferent lengths. The other cord, the one on the left, runs to a pulley in the center, and then to an outside right treadle. (While I like to have both tabby treadles on the same side, either left or right, I still use shuttle position to tell me which treadle to use: the left treadle of the pair when the shuttle is on the left, the right treadle when the shuttle is on the right.). Pulleys and/or horses are used to hang shafts so that when at rest, the warp threads are neither pulled up nor down. combinations. Then pull all of those cords from the shafts so you have slack and clip them into the hook from the treadle. David-1 en David-2 loom harnesses are not even and I don't get an even shed. Then you tie up the empty spaces on the treadles to the other set of lamms. In regard to your treadle tie up post, if I may, I'd like to ask how it compares to Peggy Osterkamp's "universal" tie up. Felting Another way to help visualize the different distances travelled whether youre close or far from the pivot point is to think of ice skaters making a pinwheel. In the photo you can see that the cords are in correct alignment in the six pulleys farthest away from the camera. This means that this shaft will be lifted by either of the two treadles it is tied to. Spring 2 Instruction manual. Prices and Shipping. NDNjMmI4N2MyMzAyZDg3ZDdmMWRlNGEzMGE3MGIyMmE4YjU5YzU0ZGMyNGIy Janet Hey from Baja. To help to understand lams, treadles, and sheds, think of a railroad crossing gate. For tabby, one foot will press the two treadles for 1&3 and the other foot, for 2&4. Thats why I love the way you teach Janet. Sorry, that is what makes 4-shaft weaving so EASY. Our new design
Tie Top Lamm #3 to Pedal #2 If using Texsolv, run the Texsolv cord through hole #2 in Top Lamm #3. 60" 1025-2860, ARTISAT
This takes a few extra minutes to do, but the ease of weaving and ease of treadling more than make up for it. This second set of lamms provides the independent tie-up of the shafts. NILUS II 8 SHAFT LOOM WITH BACK HINGE TREADLES
I am the 2nd owner and have always woven on the Kombo set up as a floor loom with treadles, but . I call that a temporary diagnostic string. Design If you start with a countermarche tie-up, just ignore (or erase) whichever of the Xs or Os you dont need. MDhjNGJlYzkxMDY1MGJlZjhkYjVhMjZjMWJmZTE3OTI3MjNhMzA3YzBjMDRj Loom #1 is a 20-shaft mechanical dobby loom, 40 weaving width - the. This loom of Scandinavian and European design is becoming more available and more popular. Now to tie up the heddles so I get the pattern I want. I'm confused from this sense: Is what you are recommending and what Peggy recommends - two different sugestions? Normally the tieup would be presented as shown with 4 treadles. June 2022 We, at Leclerc, are very excited about this new Jack Loom Treadling concept. Newer drafts from other sources are probably written for rising sheds (unless theyre reproducing olde timey drafts that were written for sinking sheds) but theres no hard and fast rule. P.S. However, in real life, often the tie-up is the last thing to get done, and the springs are already hooked up. I'll be sure to use the proper methods to ensure that it looks good. Remember, the pivot or stationary place at the back of the loom is the back beam and the moving end of the railroad gate is at the heddle eyes, where the warp threads go up and down. Thank you for the information and I thank Tien for including you in this leasson, Learning so much! The end result is the same either way: 1&3 sink (or stay down) and 2&4 rise. Walking the treadles is simply a way of rearranging the tie-up so that can treadle left-right-left right. The countermarch frame sits on top of the loom, close to the front of the loom. PEDAL 3 Shaft 1 & 2 raised J - K In that sense, this is a universal tie-up for 4 harnesses. The cords have knots right below the castle. As an example, to the left is a simple case where two treadles are tied up to a group of shafts. This is especially true for non stretchy warps. The all important number 3 - the price! It has 6 treadles. If you were weaving a twill, you would tie the first treadle on the far left, the second treadle on the far right, the third next to the far left, etc. Some looms raise and/or lower all the shafts the same distance, and the threads lifted by the back shaft arent raised higher than the front ones. A 4-shaft loom using direct tie-up can raise its shafts in all possible combinations with just 4 treadles, but a 6-shaft loom can make 50 different sheds, while a 16-shaft one can produce 65 000 (!) The problem with this is that anytime you are treadling 2 or 3, you need to remember whether you were going toward treadle 4 or returning from treadle 4. Weaving Tips Copyright 2023 Weaving With Janet Dawson, {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}. Loom includes: 8, 10, or 12 dent reed and approximately 600 wire heddles. The size of the shed gets smaller and smaller going away from that point, until it barely opens at all at the fell of the cloth (the last weft woven) and at the back beam. 1009-2836. The counterbalance loom is found in nearly every country and is the traditional type of loom used around the world and throughout history. Doubleweave for a floor loom, a table loom can be 1/4 to 1/2 the price. October 2020 You'll never have to tie up the treadles again on your 4-shaft looms. Jack loom treadles will raise shafts. - More expensive loom. John C Campbell If you can find a used one with all the pieces and in good condition, even better! Since I gave the countermarch weavers their tie-up, I thought I should repeat this one yet again for everyone else. June 2018 Yep, exactly!
Most patterns can comfortably be converted to a walking tie-up. Treadles 3-5 in Photo An important advantage of the counterbalance loom is that all of the shafts are moved by each treadle. Another advantage of this system is that you can change to any weave structure you want in a project without changing the ties to the treadles. MjA4ZmYwYWViNzdiYWM3YmFlZTRlOTFmMWNhNzQ4YWE0ZGE5ZWFjMWUxY2Fl What do you do to always have the top of your pattern that you are weaving on top so you can see mistakes better and will be able to correct the mistake instead of finding them when the cloth is off the loom? A metal treadle tie-up hook is used to connect the tie-up cord to the treadles. Jim arranged the treadles for this loom, working from the center outward. The tighter the springs (shorter), the more weight they add to pulling down the shafts. Walking Pink Tie the cord to the corresponding hole #1 in Pedal 2. 45" 1030-4528
July 2016 Thank you so very much for this wonderful and CLEAR explanation! You can get all the combinations possible with four shafts with this system. The manual mainly shows how to put the loom together, rather than how to use it, but you can figure out how to use the loom with books and online resources . The longest cord goes from the farthest treadle on the left to the outside pulley on the left on the photo. The left outside treadle connects to shaft one and the right outside treadle connects to shaft two. counterbalance tie-up Check to see that your shafts are tied at the correct height. The countermarch loom is a good choice for those who want more than 4 shafts. This photo show the cords going over to the pulleys at the left side of the loom. There are 6 treadles tied up in this photo, the two on each side are hitting the floor, not in use right now, not tied up to any shaft. Treadle tie-up on a 4 and 8 shaft loom - Jane Stafford Textiles $17.00 CAD flat rate shippping on orders to Canada & USA. Thank you for this clear explnation. This shows lifting shaft 2and 3. I have made two posts about it already and here it is a third time. I usually tie up the treadles the way the tie-up in the article shows them. Plain Weave No, no, no!! My point is that some looms simply dont work very well because their designer didnt understand loom geometry. ZTc3MDE4MjFmMGRmYmQwZDA0ZDg3M2RmM2E0MzUyNTA5ZjYzZDVlOGM1NDE0 Jack looms are chosen by many weavers because they are portable, small and can easily be found used. If the sinking tie-up is 2&3, you tie to 1. Paper Quills When we first learn to weave we usually are taught to tie up our treadles from left to right just as they are written in a typical draft. This tie-up is also in my book Weaving for Beginners, also available on my website. Look it up on the web. If the sinking shed tie up is 1&3, then youd tie to 2. . Notice that the shaft clips for two and three are pulled down by one treadle tied to the two shafts. Your email address will not be published. Weft (filling) Threads which are woven crosswise to the warp to form the web. Videos The treadles are the pedals that you push down to make the shafts rise up. The red circle shows two cords tied up to the same shaft. Treadle three is the one on the far left and treadle four is on the far right. Though explaining how to do that to folks dont yet know is a job for another blog post. See the next picture for the easy way to do this. DORY mini Inkle Shuttle. May 7, 2019 - 2 min read. Small sheds give much nicer selvages and result in less stress to the warp threads. Take the first treadle in the left tie-up for instance. The tie-up cord is pulled through the screw eye in the lamm- The knot in the end Of the tie-up cord Will retain it in the lamm screw eye. We carry a selection of books and videos that are inspirational and educational. It says that shafts 1 and 3 go down, which means shafts 2 and 4 will go up. THEM IN BIGGER SIZE, Treadles anchored at the rear of the Loom, NILUS 8 SHAFT LOOM WITH BACK HINGE TREADLES
Every shaft in use is tied to every treadle in use, and tie-ups written for countermarche looms indicate which direction each treadle moves each shaft. The countermarch loom gives you the advantages of a counterbalance loom, plus, you have independent tie up of the shafts. Block Weaves There are 14 possible tie-ups for a 4-shaft loom, and all of them can be accomplished with just four treadles--even if the draft is for six treadles! Treadle shaft one, now two, now three, now four. From each dog clip, there are two cords going to each shaft: One turning downwards at the second pulley, and the other going all the way across to the other side of the loom and turning downwards at the last pulley. In a simple example, to weave straight twill you would need to set up 4 treadles as indicated below: Traditionally, you would set up the treadles from left to right as they are written in the tieup: Lifting 12 23 34 41, Foot --Left-- --Right--. Warp setts are often more open on jack looms, since the tension is looser. The raised treadle helps with visibility, and enables the use of both hands, especially helpful for the "Vavstuga method" of tying up treadles with knitting needles (I use sharpened dowels). ZjMyZTZlOTk0YzZlMmZkYjdiY2VlYWJiODI1ZGIyMDU5MzJlMDdhNTM4NTYy Some weavers tie their treadles in "walking" order. I love the way you tie up the treadles on a 4 shaft loom! 8. MzU4ZWNjZTkxMmRhY2EwNjdlMjk3MDBkOGY0ZThjMTg3ZmRjNzhhM2RlMjY5 All of the shafts are responding to the weavers foot, giving smooth, quick and quiet treadling. Tencel If the weave structure is summer and winter or Atwater-Bronson lace, it means my left leg is lifting a lot of shafts. Life History-Day 7 I hope this helps - Pattie. Updated July 29, 2019. I have enjoyed the WALs with Tien how timely during COVIDI think about the planning stages of weaving differently now and have applied your tips during weaving, as well. Attention All Jack and Counterbalence Weavers with Four Shaft Looms. and bench included.I'm putting my first warp on my old Leclerc counterbalance loom and I'm taking you on my learning journey. A shuttle race is attached to the beater on a jack loom to support the shuttle as it passes over the warp threads. It is important to have adjustable treadle cords so that you can make the shed the size you want. I am probably stating the obvious, as the treadle #s & the shafts they connect with are different in each case. A counterbalance loom can do this because the warp comes straight from the back to the front of the loom. That clip will be hooked to one or more cords attached to one or more of the shafts. So now you have your tie upbe sure to use only 4 treadles. MjBmNzJhZTBlZjc4YmQ3ZGU0YTc4MGQ5MDQ4MGJmOGZjMTFiMDdmODJjZTQ3 The simplest is the single unit draw, giving images with no repeat. Another easy part once all the rest is done. However, the gains proved precarious in midday trading . A little bit of loom geometry also helps in many situations. Rising shed looms create a shed by jacking shafts up from below (or pulling them up from above). Because there are only four treadles, the feet can always find where to go. Spring 2 - Harness drop when you remove the blocking pin / weaving with 2-4 shafts. Twill diagonals might go the other direction, what should be light might be dark, etc. You need to follow your pattern tie-up draft to do this. You would tie this up differently for different patterns. To treadle plain weave, put one foot in the crack between the two left treadles to press both treadles at one time with the left foot for one shed. You could weave any pattern with that tie-up - you simply will have to press down one or more treadles to lift the harnesses required by your pattern. I love it and pass it along to you as my gift. If you are tying more than one shaft to that treadle, hook one tie-up cord onto each shaft to be lifted. The final step in warping the loom was tying up the treadles. Some weavers tie their treadles in "walking" order. Countermarch and counterbalance looms wont allow the same flexibility of stepping on treadles together. Artificial Intelligence | Responsive Website Design by HEROweb | Shopping Cart Websites -powered by MightyMerchant v5.4, Intro to Countermarch and Counterbalance Looms, Standard Countermarch Loom 100cm(39") Weaving Width, Standard Countermarch Loom 120cm(47") Weaving Width, Standard Countermarch Loom 150cm(59") Weaving Width, Standard Countermarch Loom 160cm(63") Weaving Width. A simple, practical tie-up for the front and back threading might look like this: I have coloured in the squares which indicate where a shaft is tied to a treadle. Zjg3MzFiYWMwYTI2YmYwMjNiYzFmOWMwNWUxZmEyOTQ3YzNhYWY4MGFjZWQw Tie-up for tying treadles to shafts; Shaft moving system; The following diagram shows the main components of looms: a. Jack Loom. We also carry our favorite lanolin hand cream along with a selection of finished products including kitchen towels and linen face cloths.The \"We\" in Sky Loom Weavers includes Penny and Peggy. This can be understood if you are familiar with pick-up weaves. Hemstitching Castle height: 42". 4) Jack-type loom with back hinge treadle In future posts, Ill briefly explain how different looms work. NzdkZThlNzY3YmFkY2Q1ZDMzYjg1ZDg4MzFmODJlOTJmZDc5ZWJlODQxNTM4 -----END REPORT-----. That means that each treadle is tied to raise one shaft. Built in raddle for warping, texsolv heddles and treadle tie-ups, overhead beater. If you want 3, 5 or more shafts, you need to tie them up differently, using different pulleys or horses. Thank you so much for this post! Do the same with the right foot on the right- hand treadles for the other shed. If the bottom of the shed has threads at different lengths, you cannot adjust this with the treadles, as the treadles are not holding these threads down. Here, the treadle next to the one we pressed also moves shaft 2 because in the tie-up draft, shaft 2 but only shaft 2, is tied to another treadle, therefore its cord also moves. This is more comfortable than if you tie them up from left to right where you probably would treadle left-left-right-right. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Join 2,474 subscribers of my blog and receive an email notice whenever I publish a new post. January 24 1999. If you believe Wordfence should be allowing you access to this site, please let them know using the steps below so they can investigate why this is happening. Jack loom warp threads need to rest on the shuttle race, instead of having the warp threads in the center of the reed. The treadle order can also help make it easier to keep track of where you are in the treadling. If you were weaving a twill, you would tie the first treadle on the far . Selvedges It is easier for your foot to find the outside treadle and work inward. Just add your email address in the space below. Top. Even when youre weaving something like overshot, the pattern still comes out correctly but you wont see the public facing side of the fabric until you take it off the loom and turn it over. On a jack loom, the treadle needs to move down about 4 inches. My looms were built by Jim; this tie-up . This gives better control of the beat and a better view of the weaving as you beat. The treadle for shaft two is the next-to-the shortest, the treadle to the right of treadle one. I would like to have one tie up that would, by pressing one or two treadles create every combination possible (and translate it to different patterns. The draft requires six treadles. You will pull up the treadle usingthe dog clip attached to the treadle and hook it into the loop of the cord coming down from the pulley.To tie up the remaining three treadles always guide the cords behind their specific shaft and spring. Baby Wraps They are going toward the right, where the side tie up is. OGFmODQ4NjkwOTZhYjdkYTllYjM4NjMwNzFiZDM0NmE0MmFiMTE5ZjQ0MmQw There are a few clues to go by, at least. But worth checking out. Tie-up The tying or connecting of cords to parts of the loom to hang the shafts, lamms and/or treadles. Your email address will not be published. The good news is that its not a crisis if you tie up your loom only discover after youre underway that youve got the wrong kind of tie-up. Treadling for Dummies: Walking the Treadles. To achieve this, the first treadle should be the outside left, then outside right. A Glossary of Loom and Equipment Both types of countermarches are available and work very well. Thank you so much for this brilliant post! Is it best to put it in the middle or on the outside treadles, in your opinion?. A woman in Berkeley is selling two unique looms. I have 2 counterbalance looms and as patterns get more complex I would certainly like to see the pattern as I weave! OTI5MzUzNjc2OGZjODZmYzA2ZWM2ZDNkNTNlMzI2MGFiNGIxZjM2OTZhMmUy Take thecord behind shaft one, and drop it down towards the springs. 00. It gives advantages of a counterbalance loom: quiet, smooth and light treadling on a tight tension. "AVL" - an amazing loom builder/engineer.) NjFmNzJmZDc4OGRjNWNkM2IwMjllOTY5NTRlZGFkOTJmOWEyYzJmZGUwM2Rl If suddenly your shuttle is going left and your right foot is down, it means you have made a treadling error. Notice that the two tie-ups above are exact opposites of one another: all the Os on the right are in the blank spaces on the left and all the Xs on the left are in the blank spaces on the right. Filled in squares in your tie-up represent the what shafts are tied to what treadle. Any shafts that are tied to the lamms or treadles are pulled down when the treadles are depressed, and tie-ups written for sinking shed looms indicate the shafts that sink. If I am doing a sequence that starts over at treadles 1&2 (center treadles), I move my feet back to center together. How to connect the treadles to the harnesses and weave the header NTNkODhhYWFhYTJlZWI2NDgyYThmNzY5NTAxOWVlNzNlNGZkODQ5M2Y2OTJh 36" 1029-2945
OTJjNmQ3NTIwY2FjOTcwMTYyOTIyZTA1NzJmYzg1NmE0YTg4OGUyMzc2OTJh This complete tie-up gives you perfect sheds, easy treadling and more versatile weaving. Life History-Day 2 The Leclerc Artisat is a 36" jack loom with four shafts. The tie-up cords for the treadles are permanently connected to the lams and can be moved above the treadles where you need them. See the illustration. All rights reserved. In this case it's a waffle weave for my linen face cloths. Looms for fun, efficient, ergonomic weaving. THIS is very helpful for me as I prepare/study drafts and learning to tie up a countermarch loom (waiting for my Louet Spring II ) and currently have Ashford Jack. Designs are planned on graph paper. This means that all the warps threaded on the back shaft travel more than the other warp threadstaking more effort from you to lift or lower them.For this reason, if some shafts in a weave draft have many more threads than others, put those threads on shafts near the front of the loom, e.g.
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