The striker is manipulated into an open or closed position by {HEAD ~ means} of latching or unlatching {TAIL ~ the striker member} from a pronged keeper 
The striker is manipulated into an open or closed position by { HEAD ~ means } of latching or unlatching { TAIL ~ the striker member } from a pronged keeper
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH