" I wrapped his pistol in his cap, and with the butt of the gun—not the end of the butt, but the side—hit him hard on the head. You read a lot about people being hit on the head and knocked out, but you don’t read much about blood clots in the brain. In actual fact, though, it’s a delicate matter, hitting a man on the head, "
― Jack Finney , Invasion of the Body Snatchers