Bill Johnson is now attracting a global following thanks to his YouTube campaign against Master Lock — offering a veritable how-to on ways to open its padlocks without a key.

For now, Kamkar has shared only the basics of his method, but he also cut open a lock to see the vulnerability in action, and actually created a little robot that will power-crack Master Locks ...

Lock neutralized in less than 90 seconds 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.