precoshion
A "beforehand" safety-measure which involves following the "modern-day Golden Rule" (i.e., "Do unto others before they do unto you") of completely pounding everyone else around you into a shapeless pulp, so that these other humans can't "get you" first.
I asked the local constable why he carries a "cosh" (nightstick), and he said it was "as a precoshionary measure". Let's hope he does indeed only use it in a true emergency, eh???