Bowline on a Bight Knot

Bowline on a Bight

Bowline on a Bight

Bowline on a Bight

Bowline on a bight (referenced in The Ashley Book of Knots) creates a secure loop in the middle of a length of rope. It is a variation of the bowline knot that looks similar but is made with a single strand of rope. If you want to make a dependable loop when neither end of the line is available, this is one knot you can vouch for.

When tied to a climbing harness its ability to easily untie after a severe fall makes it score above the figure eight knot. However, it should be protected further with powerful backup knots with long tail ends when used such.

Bowline on a Bight Knot Instructions

Bowline on a Bight Knot Instructions

Bowline on a Bight Knot Instructions

Advantages

Disadvantages

  • Easy to tie
  • Does not slip or bind
  • Non-jamming
  • Might slip when only one of the ropes of the loop is loaded

Uses

  1. Forms a secure toe-hold at the middle of a rope while climbing.
  2. To make an emergency Bosun’s chair.
  3. Commonly used as a seat for hoisting purposes.
  4. The double loop distributes the load making it popular among cavers.
  5. Allows a free-hang descent. Can be easily adjusted to avoid rub points and waterfalls.
  6. To gain additional purchase.

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