The mounting plate attaches to an automobile or similar seat by {HEAD ~ means} of {TAIL ~ a standard adult seat belt} 
of
The mounting plate attaches to an automobile or similar seat by { HEAD ~ means } of { TAIL ~ a standard adult seat belt }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL