thinking out loud. my kids\u0027 finished projects they couldn\u0027t wait for their daddy to get home to show him what they had made!. twill using two shedding devices on a mirrix loom. when i was done weaving, i cut through the center of the warp yarn on the back of the loom, then tied off every two pieces of yarn using a double knot, . how to weave with fabric. smplitloom2. there is a brand new warp on the loom and many meters to be woven new ideas are coming and we are very excited to make them true.