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The knot that can't be untied

submitted by arvana

1 decade 7 years 2 months 3 weeks ago

This is a knot that is often used in rock-climbing. There are also single and triple fisherman's knots; the triple is more often used for safety. It's a great knot for fishing line, since it arranges the line of force through the knot and is compact so is unlikely to jam a reel.