An operating lever 28 cooperates with a control rail 30 to control opening and closing of the grip and attachment and {HEAD ~ detachment} of {TAIL ~ the grip} 24 to the rope 10 
An operating lever 28 cooperates with a control rail 30 to control opening and closing of the grip and attachment and { HEAD ~ detachment } of { TAIL ~ the grip } 24 to the rope 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH