AlegsaOnline.com Home Engineering Alpine butterfly knot Alpine butterfly knot Author: Leandro Alegsa Creation date: November 13, 2022 simple.wikipedia.org · CC BY-SA 3.0 The alpine butterfly loop is a knot used to form a loop in the middle of a rope. Once tied, the loop will not shift up and down the rope. It is good for adding a stationary loop in a continuous piece of rope, without bending the rope.
