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Self-arrest is a mountaineering related maneuver in which a climber that has fallen and is sliding down a snow or ice slope arrests (stops) the slide by himself without recourse to a rope or other belay system.

Self-arrest can be performed by using an ice axe or by using the climber's hands, feet, knees and elbows. Self-arrest with an ice axe is a difficult maneuver, but without it the probability of effectively arresting a fall is greatly diminished
We went up in the mountains today to practice our self-arrest technique.
by johnny do climb January 05, 2007
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