How does a Combination Lock work?

From the Author: I’ve used a Combination Lock for years but I’ve never really understood how it works until I made this video. The combination lock that I used in this video was from Master Lock but there are other companies to make them too. Parts of a Combination Lock include: Case, Shackle, Shackle Collar, Lever, Latch, Cams, Washers, Spring, and the Backplate.

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