Double fisherman's knot

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Double Fisherman's knot
Names Double Fisherman's knot, Grapevine, Double englishman's knot
Category bend
Origin Ancient
Related Fisherman's knot, Triple fisherman's knot, Double overhand knot, Strangle knot
Releasing Jamming
Typical use Joining thin, stiff or slippery lines
Caveat Difficult or impossible to untie
ABoK #294, #1415

Use the double fisherman's knot to tie together two ropes of unequal sizes. This knot and the triple fisherman's knot are the variations used most often in rock climbing, but other uses include search and rescue.

[edit] See also