Tarbuck knot

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Tarbuck knot
Category running
Efficiency 32%
Origin modern
Related Hangman's knot, noose
Releasing Non-jamming
Typical use Climbing
Caveat The knot grips adequately, but under sudden stress will slide to a limited extent thus reducing shock.

The tarbuck knot was developed by Kenneth Tarbuck for use by climbers, and is primarily used with nylon ropes. It is often used when the rope is subject to heavy or sudden loads, as it will slide to a limited extent thus reducing shock. The knot is non-jamming.