Two handles, {HEAD ~ each} has {TAIL ~ two ends}, one end thereof pivoted to the head portion 
has
Two handles , { HEAD ~ each } has { TAIL ~ two ends } , one end thereof pivoted to the head portion
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH