[Black Diamond]What is the strongest rappel knot?
Posted: 10 Jun 2011 19:57
Ένα πολυ ενδιαφερον αρθρο απο την Black Diamond:
http://www.blackdiamondequipment.com/en ... aign=qcLab
http://www.blackdiamondequipment.com/en ... aign=qcLab