Page 61 - Mario Bigon "The Morrow Guide to Knots"

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ROLLING HITCH

The rolling hitch, formerly
known as the Magnus or
Manger's hitch, is the best
knot for bending a small rope
to a larger one under strain
and is used both at sea and in
climbing. The knot can be slid
along the heavier rope when
the lighter line is
perpendicular to it, but the
knot tightens as soon as there
is any lateral strain on the
lighter rope. It was formerly
used by sailors to hoist the
yard horizontally and to
uncoil the hawsers from the
anchor capstan. In climbing. a
similar knot, the Prusik knot,
is made in a loop and is used
on the ascent rope.

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