Crevasse rescue no. 1: transferring the victim's weight to an anchor (source Petzl) - Camptocamp.org
Amazon.com : Petzl Unisex's Aid Kit Crevasse Accessory for Climbing, Multicolor, UNI : Sports & Outdoors
Българско Пещерно Дружество Bulgarian Caving Society - https://www.montania-sport.fr/comparatif-rescyou-de-mammut-versus-kit- secours-crevasse-de-petzl/ | Facebook