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This is the first time I heard of this. But look at this PDF document: http://www.rockymountainrescue.org/outdoor_safety/AnalysisHappyHour1.pdf Apparently it is common practice to wind lengths of ...
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This is the first time I heard of this. But look at this PDF document: http://www.rockymountainrescue.org/outdoor_safety/AnalysisHappyHour1.pdf Apparently it is common practice to wind lengths of ...