In another form of the invention, {HEAD ~ a pair} of dispensing levers are mounted on the handle in {TAIL ~ 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 the handle in { TAIL ~ 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 OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH