The active door lock includes a dead bolt and a lever for {HEAD ~ extensible locking engagement} with {TAIL ~ a strike plate} on the inactive door 
with
The active door lock includes a dead bolt and a lever for { HEAD ~ extensible locking engagement } with { TAIL ~ a strike plate } on the inactive door
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH