The Tarbuck

knot A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a ''hitch'' fastens a rope to another object; a ' ...

was made popular around 1952 by Kenneth Tarbuck, a climber and skier, for use by climbers, and was primarily used with stranded nylon ropes, before the advent of

kernmantle rope Kernmantle rope () is rope constructed with its interior core protected by a woven exterior sheath designed to optimize strength, durability, and flexibility. The core fibers provide the tensile strength of the rope, while the sheath protects the ...

s made this use both unnecessary and unsafe.Knots guide - Tarbuck Knot
/ref> It was used when the rope is subject to heavy or sudden loads, as it will slide to a limited extent thus reducing shock (but with kernmantle ropes it can strip the outer sheath). The knot was already employed by 1946 as "the knot" by American tree trimmers.

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See also