Figure Nine Loop

Figure-of-Nine Loop | Figure 9 | Figure-of-Nine on a Bight

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Details

TypeLoops
Also known as
Figure-of-Nine LoopFigure 9Figure-of-Nine on a Bight

Description

The Figure-of-Nine Loop forms a fixed loop in a rope. It is sometimes used instead of a Figure-of-Eight Loop to attach a rope to an anchor point or belay. The knot is particularly popular amongst cavers.

Structure

Tied in the bight, the Figure-of-Nine Loop is made similarly to a Figure-of-Eight Loop but with an extra half-turn before finishing the knot.

Strength/Reliability

While it uses more rope and is bulkier than the Figure-of-Eight Loop, the Figure-of-Nine Loop is somewhat stronger and less likely to jam after heavy or prolonged loading.

Warning

Verify tying technique with a skilled instructor where knot failure could cause property damage, injury, or death.

Common Uses

  • create a stronger alternative to the figure eight loop that is unlikely to jam.
  • form a fixed loop at the end of a rope for heavy loads.
  • make a secure loop for climbing or rescue in thick rope.
  • tie a strong anchor loop for caving or spelunking.

Found in

CavingClimbing