Alpine Butterfly Knot
The Alpine Butterfly Knot, also known as just the Butterfly Knot due to the form it takes while tying, forms secure loop(s) in the middle of a rope. It will accommodate a load in any direction. Mountain climbers use the Alpine Butterfly for tying-in the middle climber when traveling three to a rope. Also useful for making non-slip loops in the middle of a rope to attach carabiners to provide purchase points for a winch line – essential in canoe rescue work. It can take a load in any of the three directions, independently or together. The knot can also be used to isolate a damaged section of a rope.
Alpine Butterfly Knot Tying Instructions
- Make a loop in the rope and twist it one full rotation into an eight shape.
- Fold the top of the eight down around the bottom of the eight.
- Now up and out through the lower opening of the eight and pull tight.