Figure-of-nine loop

Encyclopedia : F : FI : FIG : Figure-of-nine loop

Canonical Name: figure-of-nine loop.
Category: loop on the bight.
Related knots: Figure-of-eight knot, Figure-of-eight follow through, Figure-of-eight loop
Releasing: Can jam badly in any rope type, but somewhat less likely to jam than a figure-of-eight loop.
Efficiency: Unknown.
Caveat: None, secure.
Uses: caving, plus others? Sometimes used instead of a figure-of-eight loop to attach a rope to an anchor point or belay. It has both greater strength and bulk than a figure-of-eight loop, so is normally used only in thin rope.
Comments:
Structure:
Tying: As for a figure-of-eight loop but with an extra turn before finishing the knot - hence its name.

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