{HEAD ~ An exterior frame lip} 133 provides {TAIL ~ structural rigidity} and assists in guiding the hitch ball during the hookup process 
provides
{ HEAD ~ An exterior frame lip } 133 provides { TAIL ~ structural rigidity } and assists in guiding the hitch ball during the hookup process
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH