The tie down {HEAD ~ hanger system} comprises {TAIL ~ a slideable bracket member} having a track engaging portion, which is selectively engaged in mating relationship with a bracket track member 
comprises
The tie down { HEAD ~ hanger system } comprises { TAIL ~ a slideable bracket member } having a track engaging portion , which is selectively engaged in mating relationship with a bracket track member
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH