ou may have heard the term “snap gun” or seen one of these strange-looking tools in photos before, but you may not have been sure what they were or how they work to pick locks. Pick guns operate on the same principle as a game of pool. If you have two balls touching each other and hit the first one, it stays put while the ball behind it is knocked away. This is what a pick gun does with the top pins and the bottom pins in a lock. When it strikes the bottom pin, the energy is transferred to the top pin, which ideally bounces above the shear line simultaneously with