In at least one embodiment, {HEAD ~ the assembly} can comprise {TAIL ~ a housing}, a cutting member relatively movable with respect to the housing, and an agent cartridge connected to the housing 
In at least one embodiment , { HEAD ~ the assembly } can comprise { TAIL ~ a housing } , a cutting member relatively movable with respect to the housing , and an agent cartridge connected to the housing
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH