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