A gripping element 91 is supported by {HEAD ~ the underside} 74b of {TAIL ~ gear} 74 
of
A gripping element 91 is supported by { HEAD ~ the underside } 74b of { TAIL ~ gear } 74
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH