Tigo picked up the gun, and then he took one of the cartridges from the table top. He broke open the gun, slid the cartridge into the cylinder, and then snapped the gun shut and twirled the cylinder. "Round and round she goes," he said, "and where she stops, nobody knows. There's six chambers in the cylinder and only one cartridge. That makes the odds five-to-one that the cartridge'll be in firing position when the cylinder stops whirling. You dig?