When in the closed position, {HEAD ~ the lever cam end} rest against {TAIL ~ the lever rest}  
rest against
When in the closed position , { HEAD ~ the lever cam end } rest against { TAIL ~ the lever rest }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH