Holes in the body and button member align when the button member is depressed relative to the body of insertion of the cord, with {HEAD ~ the cord} being locked in {TAIL ~ position} relative to the device when the button member is released 
locked in
Holes in the body and button member align when the button member is depressed relative to the body of insertion of the cord , with { HEAD ~ the cord } being locked in { TAIL ~ position } relative to the device when the button member is released
OTH OTH OTH OTH 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 HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH