{TAIL ~ This pivoting action} may also be accomplished by the turning operation of {HEAD ~ the rear lever handle}  
{ TAIL ~ This pivoting action } may also be accomplished by the turning operation of { HEAD ~ the rear lever handle }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH