Noose

Noose
A noose knot tied in kernmantle rope
Names	Noose, running knot
Category	Loop
Related	slip knot, overhand knot, double overhand noose, hangman's knot, running bowline, arbor knot
Releasing	Non-jamming
Typical use	Animal snares, knitting, hanging device, self tightening end loop
ABoK	#1114,[1] #1803, #1789, #8, #43, #1825

A noose is a loop at the end of a rope in which the knot tightens under load and can be loosened without untying the knot. The knot can be used to secure a rope to a post, pole, or animal but only where the end is in a position that the loop can be passed over.