klemheist or french machard knot with a red locked carabiner attached. can be tied with webbing or cord and is uni-directional

abseiling accessory alpinism ascending attached background backup can carabiner caving climbing closeup cord double eer eering emergency equipment fisherman french friction gear hitch ing isolated kleimheist klemheist knot line locked machard macro marine mountaineering nautical nylon object protection rappeling rappelling red rescue rope safety sailing security sport strength string strong tie tied tight unidirectional webbing white