In another form of the invention, {HEAD ~ a pair} of dispensing levers are mounted on {TAIL ~ the handle} in position to be operated alternatively, i.e., selectively, while the user holds the handle 
In another form of the invention , { HEAD ~ a pair } of dispensing levers are mounted on { TAIL ~ the handle } in position to be operated alternatively , i.e. , selectively , while the user holds the handle
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH