black climbing ropes are arranged on top of other ropes in a circle

safety climbing rope closeup isolated kernmantel macro mountain mountaineering security brake rappel belay conceptual knot carabiner danger marine doubled sheet aluminum locking sail jib aluminium descender yarns woven bracelet weave 550 oval utility doubledrope safe key mast sailing modifiedd waaving weaving tie extreme kernmantle interwoven hiking tensile gear flexibility equipment lifestyle elastic durability cord camping braided braid lanyard handmade lightweight ply survivorcord survivor survival support strength sheath strong paracord parachutecord man material multifunction nylon object parachute wrap prusik wallclimbing