This is a must know knot for any climber. Used for everything from self belay to crevasse rescue. Try this hitch out. It is real easy but believe me you can be really hooped if you don't know it. On the other hand this will get you out of a bind when nothing else will. Common knot for mountaineers who travel light in the big hills. Used to ascend a rope or self rescue out of a crevasse.
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