Figure-of-nine loop
From Infogalactic: the planetary knowledge core
| Figure-of-nine loop | |
|---|---|
| Names | Figure-of-nine loop, Figure-nine loop |
| Category | Loop |
| Related | Figure-eight knot, Figure-of-eight follow through, Figure-of-eight loop, Stevedore knot |
| Typical use | Caving |
The figure-of-nine loop is a type of knot to form a fixed loop in a rope. Tied in the bight, it is made similarly to a figure-of-eight loop but with an extra half-turn before finishing the knot.[1]
Also similar to the stevedore loop, the figure-nine loop is generally shown as being based on an intermediate form between the figure-eight knot and the stevedore knot.[1][2] The Ashley Book of Knots shows this intermediate knot, in stopper form, as #521.[3]
While it uses more rope and is bulkier than the figure-of-eight loop, the figure-nine loop is somewhat stronger and less likely to jam.[1] It is sometimes used instead of a figure-of-eight loop to attach a rope to an anchor point or belay.[2]
Tying
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