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]
Tying
-
Make a bight
-
Turn around the standing end
-
the 2nd round rides the 1st
-
Tie inside the two rounds
-
-
Tighten
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
- ↑ Ashley, Clifford W (1944). The Ashley Book of Knots. Doubleday, p.224
- ↑ Les longes en spéléologie et descente de canyon (French)
- ↑ Note: the running end is stored in the bight.
- ↑ Note: foot loops tied with a zeppelin loop and an alpine butterfly
- ↑ 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.