The running bowline is a

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 ' ...

consisting of a

bowline The bowline ( or ) is an ancient and simple knot used to form a fixed loop at the end of a rope. It has the virtues of being both easy to tie and untie; most notably, it is easy to untie after being subjected to a load. The bowline is sometimes ...

looped around its own standing end to create a

noose A noose is a loop at the end of a rope in which the knot tightens under load and can be loosened without untying the knot. The knot can be used to secure a rope to a post, pole, or animal but only where the end is in a position that the loop can ...

. The running bowline is strong and secure. It slides easily and can be undone just as simply.

Tying

Tie a

in the end of a line with a small loop, and by appearance one then passes the standing part through the loop to form the noose. However, this method of forming the noose is practicable only for a short piece of line. Alternatively, one can tie the bowline tied directly around the standing part or, having tied the bowline first, one would form a bight in the standing part and pull it through the loop of the bowline.

References

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