male mountain guide building a traditional belay stance with pitons to rappel from a high alpine peak

abseil active adventure alpine alps belay bernina build building climber climbing cord descend engadin equipment experience from granite grisons guide hammer harness helmet high install knot lighter male man management moritz mountain mountaineering one outdoor peak people person piton pitons piz pontresina prepare prievlus rappel risk rock rocky safety stance steep string swiss switzerland the tie traditional