double fisherman's knot

Make a secure loop of a cord (see Double fisherman's knot) that is definitely narrower than the rope.

It forms the first part of the surgeon's knot and both sides of a double fisherman's knot.

A proper bend knot, for instance a sheet bend or double fisherman's knot, should be used instead.

The sheath of the rope separates at the knot and the high lubricity core slips through the double fisherman's knot.

This knot is actually a rearranged double overhand knot and makes up each half of the double fisherman's knot.

The double fisherman's knot or grapevine knot is a bend, or a knot used to join two lengths of rope.

Testing has shown that a failure mode exists at very high loads with the double fisherman's knot in ropes using Spectra and Technora cores.

It is an extension of the double fisherman's knot and is recommended for tying slippery, stiff ultra high molecular weight polyethylene (UHMWPE) and aramid cored ropes.

The Prusik is tied by wrapping the prusik loop (see Double fisherman's knot) around the rope a number of times, usually 3-5 times depending on the materials, and then back through itself, forming a barrel around the rope with a tail hanging out the middle.

Though the fisherman's knot is associated with fishing, it can slip when tied in nylon monofilament and other slippery lines; however, if more holding strength is required, the overhand knots can be made with more turns, as in the double fisherman's knot, and so on.