Liturgy for Niddah 122:29

אימר או שוע או טווי או נוז

and since the man is not quite sure about the pulling out of the threads the garment is permitted. R. Ashi demurred: Might it not be suggested that it<span class="x" onmousemove="('comment',' A material that is to be forbidden as Kil'ayim. ');">²⁵</span>

Seder Ma'amadot