Symmetric Bends: How To Join Two Lengths Of Cord

A bend is a knot securely joining together two lengths of cord (or string or rope), thereby yielding a single longer length. There are many possible different bends, and a natural question that has probably occurred to many is: “Is there a ‘best’ bend and, if so, what is it?”Most of the well-known bends happen to be symmetric — that is, the two constituent cords within the bend have the same geome...