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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.
How to Tie a Bowline on a Bight
- Forms a secure toe-hold at the middle of a rope while climbing.
- To make an emergency Bosun’s chair.
- Commonly used as a seat for hoisting purposes.
- The double loop distributes the load making it popular among cavers.
- Allows a free-hang descent. Can be easily adjusted to avoid rub points and waterfalls.
- To gain additional purchase.
How to Tie a Bowline on a Bight Step by Step
- Form a loop by passing the end of a bight over the standing part
- Pull it out through the loop thus formed
- Open up the bight and bring it round the entire knot
- Continue to bring it up till it encircles the standing ends
- Hold the standing part and pull the loop downwards to tighten
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