autoblock machard or french prusik knot, with a locked carabiner, on white background.

abseil abseiling access accessory alpinism arborist arborists autobloc autoblock background backup carabiner caving climbing closeup cord double eer eering emergency equipment fisherman french friction gear hand hitch ing isolated knot locked locking machard macro mountaineering nautical protection prusik rappel rappeling rappelling red rescue rope safety serge string third tresse white yellow