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History Snacks

BITE: What is Letterlocking?

Wednesday · 2 min · Season 1 · Episode 32 · 2.8 MBBonus
0:00-2:38

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Our season is over but Producer Emily will be giving you quick bites of history until we return for next season. Today's History Bite: What is Letterlocking?


Some questions for our AI guests:

How do you make sure a letter is secret?

How do you write secret messages?

Teach me how to write secret messages!