Tumor maligno Picotear eso es todo auto block rappel Derritiendo es suficiente Cadera
The benefits of the pre-rigged rappel — Alpine Savvy
Autoblock hitch - used in rappelling and ascending a rope - YouTube
Question on double strand rappelling. When using a double strand what's the proper way to set up a prussik backup for fall arrest? Is it acceptable to grab both lines with a