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Twin ropes can be as small as 6.9mm (35g/m), and are only used in pairs; you tie into two ropes, and clip both as though they were a single rope. This provides you with the redundancy of having mor...
Answer
Twin ropes can be as small as 6.9mm (35g/m), and are only used in pairs; you tie into two ropes, and clip both as though they were a single rope. This provides you with the redundancy of having mor...