Page 127 - Adlard Coles "The Knot Bible"

Butterfl y loop
KNOT SCORE
A much more secure alternative to the harness loop (page 122), the Strength

butterfly is popular with climbers as a way of tying a loop in the middle of Security
a line when you don’t have access to the ends. Cut the loop off, and it Diffi culty Tying
Diffi culty Untying
becomes a simple bend (page 82). Use it to create secure mooring points
Usefulness
on a line, either for dinghies, fenders or coiled rope.

1 Twist the bight of the line to 2 Fold the top loop over the lower 3 Pass the bight through the
create a pair of loops, the top one one, and put a bight in it. smaller loop.
larger than the lower one.

4 Pull the bight through to create KNOT KNOW-HOW
a loop, and tighten the knot.

The butterfly loop is another knot with a
long and interesting lineage. Originally
named the lineman’s rider in 1914, it
was said to be popular with, among
others, telephone men. It started its
mountaineering career in 1928 as the

butterfly loop, later the alpine butterfl y
loop, and it has become widely used
ever since.

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