How to crack the number combination to a Master Lock

Lock picking is a great skill that takes lots of practice to master, but what if you're not interested in picking locks? What if you have a combination lock and want to go the old-fashioned route— cracking combinations? Well, you're in luck, because that's exactly what this video tutorial will show you, using a Master Lock as an example.

If you were to try and crack the combination dial to a Master Lock by simply trying different combinations, it would take approximately 177 hours (without sleeping or eating) to solve the combination. This video shows you a trick to cracking combination locks down to only 100 possibilities in a fraction of the time. If you're not good with numbers and math, specifically division, then you may have difficulty with this technique.