How to break my lock?!?

Question

I need to break my lock on my locker. I have all the books inside. The locks disappeared as well as the duplicate (its with it)

Can you tell me how?

Answer 1

If you don't want to destroy it you could pick it. Outherwise I would use bolt cutters to break through it.

Answer 2

You don't have to break it you can try lock picking. Here's how :

http://www.wikihow.com/Pick-a-Lock

Answer 3

Bolt cutters work quite well.