A knot used to join the ends of two ropes together to form a longer length.
Bend Knot
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References
Owen, P. Knots. Philadelphia, PA: Courage, p. 49, 1993.Referenced on Wolfram|Alpha
Bend KnotCite this as:
Weisstein, Eric W. "Bend Knot." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BendKnot.html