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It isn't that unusual to use 8mm rope in caving on vertical (at least in Europe) especially in deeper caves with more rope to carry down and of course, back out again. In the US cavers tend to rig...
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It isn't that unusual to use 8mm rope in caving on vertical (at least in Europe) especially in deeper caves with more rope to carry down and of course, back out again. In the US cavers tend to rig...