BT Šab 111b(25) :קטרא דקטרי בזממא‏ : knot which one ties (with the guide rope) through the nose-ring
See the entire entry for zmām, zmāmā v.n. muzzle

BT Šab 111b(25) :קטרא דקטרי בזממא וקטרא דקטרי באסתדירא‏ : a knot which one ties (with the guide rope) through the nose-ring, and a knot which one ties through the parral
See the entire entry for qṭr vb. to bind

BT Šab 111b(25) :קטרא דקטרי בזממא וקטרא דקטרי באסתדירא‏ : a knot that one ties through the nose-ring, and a knot that one ties through the parral
See the entire entry for qṭar, qeṭrā n.m. knot