My business is building sheds, and I've shot myself with my nail gun twice now in the 9 years I've been building. The last time I did it, I came up with an inv

My business is building sheds, and I've shot myself with my nail gun twice now in the 9 years I've been building. The last time I did it, I came up with an invention while waiting in the emergency room: pneumatic coil nails with the Tetanus booster coating.