How Does a Bump Proof Door Lock Work?
What is Key Bumping? Key bumping is a simple process discovered in the 1970’s, by which almost any standard lock may be opened without picking the lock or forcing it open. It requires a simple key that would fit into a typical lock. Most locks, even the high security models, utilize a series of 6 pins held vertically and aligned in a row. In each pin there are two parts, the key pin and the driver pin, which are stacked atop one another and held against the bottom of the lock by means of a spring from above. When a key is inserted into the lock, the ridges of the key align the pins so that the key pins sit below the lock’s turning cylinder and the driver pins sit above the cylinder, allowing the lock to turn as it should. The same lock can be opened by means of a key whose ridges are filed down to the very bottom of the key. By half inserting the key into any such lock one can make use of the springs’ elasticity in the lock. All one must do to open the lock is exert pressure as if you
