As shown the shock absorbing {HEAD ~ member} fits into {TAIL ~ a surrounding metal frame}, preventing rotation of the shock absorbing member 
fits into
As shown the shock absorbing { HEAD ~ member } fits into { TAIL ~ a surrounding metal frame } , preventing rotation of the shock absorbing member
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH