my shop had a poster on the front door with moron proof cartoons showing how to clear any type of weapon, with the admonishment that all weapons crossing the yellow line on the floor had to have open actions.
you guessed it, still had one AD with a m1 carbine. my back was turned at the time but if i remember right the customer just cycled it and pulled the trigger. blew the stuffing out of my prized wood duck mount on the top shelf. last i saw of the guy, he looked like he had a metal and wood tail as he limped down the sidewalk.

the consolidation of the states into one vast republic, sure to be aggressive abroad and despotic at home, will be the certain precursor of that ruin which has overwhelmed all those that have preceded. Robert E Lee
~Molɔ̀ːn Labé Skýla~