The permission slip is his rice bowl. http://www.urbandictionary.com/defin...term=Rice+Bowl
And disarming to go into a gun show has always amused me. Walk in totally disarmed. Stop off and buy a gun (or three). Head for the magazine guy's table. Then to the ammo dealers (no matter how overpriced they are, you are probably going to pick up at least one box, amirite?). Then to the holster vendors. Et voila! Armed!
And let's not forget the knives and machetes and kukris and bayonets and phoney katanas.
A guy, in 15 minutes (if the background check is slow) can go from nada to Mommys Demanding Attention's worst nightmare.