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