Page 108 - Mario Bigon "The Morrow Guide to Knots"

LOOP KNOT

This simple knot is very
important when you want to
eliminate a worn section of
rope; as the worn part is taken
up in the dead point of the
knot.

Method
Make a bight in the rope with
the worn area in the center
and make an overhand knot
(1). Pull the ends to tighten
the knot (2, 3).