A bump key is a modified key that can be used to gain entry to locks.
The key has all of the cuts to the maximum depth (999). This works by
hitting the modified key causing the pointed and deep valleys to shoot
the pins (also known as the billiard ball effect) above the sheer line
causing the lock to open.
Lay out your key which you will make the bump key out of and the triangle file on a flat working surface.
File down the key in between the pointed parts so that they create a sharp "V" shape.
Make sure that the valleys between the points do not go below the indented line.
Be sure you file down in between each of the points on they key or else your bump key may not work correctly.
Lay out your key which you will make the bump key out of and the triangle file on a flat working surface.
File down the key in between the pointed parts so that they create a sharp "V" shape.
Make sure that the valleys between the points do not go below the indented line.
Be sure you file down in between each of the points on they key or else your bump key may not work correctly.
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