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How Do You Tell If Your Lock Has Been Bumped? [Solved]
Signs of bumpingFresh nicks around the edges of the keyhole from pounding the key a little too forcefully.Shiny metal edges that look like they’ve been recently hit.
What Is This??? || Learn How To Master Lock Bumping with One Simple Change
Learning to
What is Lock Bumping - How to Stop Bump Keys
Lock bumping
Lock Bumping in Slow Motion
Original Patent: https://patents.google.com/patent/US1667223A/en.