portion 1240 that can keep separate actuation stick prongs 2240 when actuation guard 1200 is installed on housing 1100 actuation guard 1200 can comprise a guard portion 1260 that can separate actuator bar 1300 from handheld portion 1800 when system 1000 is not in use and or when system 1000 has not been used fig1 is a perspective cross sectional view taken along lines b b of fig1 and fig1 is a perspective view of an exemplary embodiment of actuation stick 2200 referring to fig1 and 13 system 1000 can comprise housing 1100 actuation bar 1300 and system actuator 2000 which can comprise prong squeezer 1390 actuation stick 2200 prong retainer 2100 spring 2300 upper spring retainer 2260 gas container 2400 gas port 2600 and or puncturer 2700 when actuation bar 1300 is pressed firmly against a user 39 s body such as via slapping housing actuation bar against the user 39 s thigh buttocks and or arm prong squeezer 1390 can urge prong tips 2220 of prongs 2240 of actuation stick 2200 toward one another note that prong tips 2200 can have a triangular wedge angular and or frustro conical shape as prongs tips 2220 slide along the angled v groove of prong squeezer 1390 prong catches 2230 can substantially loose contact with prong retainer 2100 this can allow compressed spring 2300 to rapidly urge actuation stick 2200 and gas container 2400 toward puncturer 2700 which can penetrate gas port 2600 thereby allowing gas to escape from gas container 2400.