411 REFERENCE · Wikibooks
Knots/Heaving knots/Heaving line knot
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A heaving line knot is used to make lines easier to throw. It is tied by making a bight, then wrapping the working end around a bunch of times. When you get to the end of the working end, put it inside the bight and tighten by pulling on the standing part. One caveat is that it can be easy to pull apart.