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Aug 16th, 2010| This video tech tip describes how to rig an autoblock friction hitch as a backup in a rappel system. We often use this system to increase our margin of safety when rappelling. The backup gives us some extra peace of mind anytime the rope is difficult to hold onto or if there is a chance we could accidentally let go of the rope while descending. For example, this system is especially useful if there is potential for rockfall or icefall, if the ropes are icy and/or wet, if it is very windy, or if we simply want to stop and take a photo while rappelling down.
