If you enjoy reading about this kind of thing, check out Black Diamond's QC Lab blog, which has lots of interesting posts about climbing gear strength from thei

If you enjoy reading about this kind of thing, check out Black Diamond's QC Lab blog, which has lots of interesting posts about climbing gear strength from their head of quality control. Here's a post on the strengths of three knots commonly used to tie two ropes together: http://www.blackdiamondequipment.com/en-us/journal/climb/qclab/qc-lab-what-is-the-best-rappel-knot-en-glbl http://www.blackdiamondequipment.com/en-us/journal/climb/qcl...