Vertical caving terminology and methods > Knots > Common knots
Common Use with caution
A knot tied on a bight, used to create a loop that can be clipped into a carabiner. Sometimes used to attach cows tails to a D-ring. Very hard to undo, and should not be used in rigging. Resistant to cross loading at the level that it might receive from a caver clipping their cows tail into the loop and pulling against an anchor, but severe cross loading, in the region of 960 kg (480 kg across the knot itself), causes the knot to deform and start rolling continually down the rope until it falls off a tail and unties. Made from an overhand knot tied using a bight.
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