Douglas Adams - Hitchhiker's Guide to the Galaxy
"It seemed to me," said Wonko the Sane, "that any civilization that had so far lost its head as to need to include a set of detailed instructions for use in a packet of toothpicks, was no longer a civilization in which I could live and stay sane."
Douglas Adams - Hitchhiker's Guide to the Galaxy
Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them. If that means sticking all sort of spikes and prongs and blackened bits all over it then so be it. This is not a gun for hanging over the fireplace or sticking in the umbrella stand, it is a gun for going out and making people miserable with.