Double overhand noose

Names

Double Overhand Noose Knot (DONK) or the Poacher's Knot (Ashley # 1239)[1]

Double overhand noose
Category Hitch
Efficiency High
Related Double overhand knot, Double fisherman's knot
Releasing Jamming
Typical use Bind a carabiner
Caveat Difficult to untie

Usage

The double overhand noose is a very secure hitch knot. It might be used by cavers and canyoneers to bind a cow tail or a foot loop to a carabiner.[2]

Double overhand noose binding carabiners.[3][4]


Tying

Releasing

A heavily tightened double overhand noose will jam. The bound object has to be removed before untying.


Security

As the double overhand knot, it neither slips nor turns around. However, a third round turn might be useful with some highly lubricious spectra/nylon ropes.[5]

Notes and references

  1. Ashley, Clifford W (1944). The Ashley Book of Knots. Doubleday, p.224
  2. Les longes en spéléologie et descente de canyon (French)
  3. Note: the running end is stored in the bight.
  4. Note: foot loops tied with a zeppelin loop and an alpine butterfly
  5. Tom Moyer, Paul Tusting, Chris Harmston,(2000) Comparative Testing of High Strength Cord

See also

This article is issued from Wikipedia - version of the Thursday, March 20, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.