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Q&A is it safe to use a 4mm cord for French Prusik auto-block friction hitch when rappelling off parallel 10mm dynamic rope?

I want to rappel off of 10mm dynamic rope. The rope will be fed through both sides of the ATC device (parallel). Is it safe to use a 4mm cord for my French Prusik auto-block knot? There is a simil...

2 answers  ·  posted 5y ago by Chris Morris‭  ·  last activity 5y ago by System‭

Question climbing rappelling