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From the Vault: The Invention of the Lock & Key

Stuff To Blow Your Mind

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Is That a Signet Ring?

The signet ring not only shows you that it as it is, closed and has not been opened, but it shows you who closed it, right? So maybe you could imagine a letter being tampered with or a door being opened, and then somebody else puts, you know, new wax on it. That's a good point. I mean, i would imagine, like, the door on a mail box can easily open your mail box and get the mail out and mess with it or steal it, or whatever. But there there's sort of, the door is a marker that's like, if you open the door on somebody else's mail box, you are clearly doing something wrong

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