Uploaded August 2017 | Updated September 2026, 2 weeks ago

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We use keys and locks all the time - but how do they work?
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Sources for this video:
The Complete Book of Locks and Locksmithing by Bill Phillips: amzn.to/2yNkYIx
explainthatstuff.com/yalelock.html
youtube.com/watch?v=mO3mMYwKkKs

Music:
Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0/)
Source: incompetech.com/music/royalty-free/?keywords=deliberate+thought
Artist: incompetech.com

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