Upon {TAIL ~ removal} of {HEAD ~ lateral forces}, the temple automatically returns to its unbiased position 
Upon { TAIL ~ removal } of { HEAD ~ lateral forces } , the temple automatically returns to its unbiased position
OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH