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.

How to Make Fully Functional Lock from Cardboard Today I show you how to make fully functional lock model. This lock can be ...

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.