Found in 1 comment on Hacker News
metaphor · 2017-03-21 · Original thread
For anyone remotely interested in locks for shits and giggles, I highly recommend Tobias as reference[1] for your personal library...and purchase every type of lock you can get your hands on for practice.

[1] https://www.amazon.com/Locks-Safes-Security-International-Re...

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