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