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How to tie various knots

Step 9Figure-8 Knot

Figure-8 Knot
The figure-eight knot is used to prevent an end of rope from passing through a block (pulley). Sometimes called a "stopper knot".

The double figure-8 knot is used in rock climbing, as an alternative to a bowline, to secure a climbing harness to the end of a safety rope. The double knot is made by making a single knot, then tracing back around the knot with the free end after passing it around the harness loop.

Advantages:
Easy to verify by inspection
Not prone to work loose

Disadvantages:
Slow to make and undo
Cannot be made under load


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