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Shedding Device

The Mirrix Shedding Device can seem a puzzling contraption to those unfamiliar with weaving. Learn what a shedding device is and why it is useful here!

  • About The Shedding Device

    Called: Shedding Device
    Not Called: Shredder, Shredding Device, Shedder

    The Mirrix shedding device is used to lift warp threads (these are the threads that go around your loom) in order to pass fiber or beads through them more easily.

    The space between the warps is called the SHED, which is where the term SHEDding device comes from.

    On a Mirrix shedding device, when you change the position of the handle of the shedding device, the shedding device shifts position and opposite sets of warps are raised, securing your beads or weft between the warp threads.

    The shedding device is connected to the warp threads on your loom by heddles, which are basically just loops that wrap around both heddlesyour warp threads and the bars of the shedding device (click the heddles tab for more on those). (see picture, left.)

    The wooden clips on the loom hold the shedding device onto the loom, but they also serve to hold the warping bar in place when warping the loom (and before you install the shedding device).





  • Weaving Fiber with the SD

    tapestry shedWhen weaving tapestry, if you do not use the shedding device, you must weave each piece of fiber under and over the warp threads.

    By using the shedding device, you can lift half of your warp threads all at the same time, so instead of weaving over and under, you can just place your weft (the fiber you are using to weave) between the raised and lowered warp threads. This makes weaving fiber on a Mirrix Loom significantly faster.

    We recommend the shedding device for tapestry or other fiber weaving.

    Watch this video on weaving tapestry on a Mirrix and see the shedding device in action!



  • Weaving Beads with the SD

    weaving beadsshed











    When weaving beads with the shedding device, you string up a row of beads and then place them between the raised and lowered warp threads. Then you change the position of the shedding device, securing those beads between the warp threads.

    For weaving beads, both the traditional bead weaving method of placing your beads behind your warp threads and then sewing through and the method using the shedding device and placing the beads between raised and lowered warp threads work.

    The method using the shedding device takes a little more time to set up, but once you get the hang of it it’s a fast and fun way to weave beads!

    Watch this video on weaving beads on a Mirrix to see both methods of weaving beads. Skip to 10:50 to see the shedding device in action!

  • Heddles

    All About Heddles:


    How to Make Heddles:

    A heddle attaches your shedding device to your warp threads. Used only when weaving tapestry and bead weaving WITH the shedding device, heddles can be either ordered pre-made or you can make them yourself!

    Click here to buy our Mirrix Texlov pre-made heddles.

    You will need to make as many individual heddles as there will be warps in your weaving.  These heddles (as well as the Mirrix heddles you can buy) will be reusable.  The thinner and stronger the string you use, the better.  For bead weavers, cotton quilting or beading thread works great.  For tapestry weavers, cotton crochet thread, linen warp or single-ply cotton warp works well.

    Nail two finishing nails into a piece of wood three and one-eighth inches apart.  You will use this little tool to tie your warps.  Cut ten inch lengths of your heddle material, one for each heddle you will make.  Tie them around the nails, using an overhand knot to secure the ends.  In order to get that knot to sit right next to the nail, slip a needle into the knot before it is pulled tight and push the knot toward the nail.  Then tighten it.  Trim off the ends of the heddles to within a quarter of an inch of the knot.

    Alternatively, you can cut a piece of cardboard three and one-eighth inches long and use that to tie your heddles around.

    Putting on Heddles (Refer to our warping instructions for full instructions)

    diagram of heddles tapestry

    diagram of heddles bead weaving

    heddles mistakes



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