a saddle mounted upon said rotary head, said {TAIL ~ saddle} having a pair of {HEAD ~ support arms} 
a saddle mounted upon said rotary head , said { TAIL ~ saddle } having a pair of { HEAD ~ support arms }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD