There's a vulnerability in Master Lock branded padlocks that allows anyone to learn the combination in eight or fewer tries, a process that requires less than two minutes and a minimal amount of skill ...

In the video below, locksport enthusiast Bosnian Bill demonstrates how to open a new #3 Master Lock with nothing more than a small brass hammer. If a hammer isn’t an option, a screwdriver handle works ...

Samy Kamkar posted a video on his Twitter page explaining the technique to crack a combination lock, which involves lifting up the locked shackle of a lock, and making multiple turns of it. (YouTube) ...