How a weekend lock picker can help make your home safer—or at least help you talk to a locksmith with confidence.

A few years ago, Tobias discovered that a ball-point pen can pick open tubular locks, and bicycle owners saw that the flaw rendered their Kryptonite-brand U-locks almost useless.

The good news is you only need two tools to get it off. As demonstrated in the video, you need a tubular lock impressioning tool and a large flathead screwdriver. That's it.