Letterlocking: a way to keep your correspondence confidential.
Found via Mike Brown’s Oddments of High Unimportance.
Monday, July 12, 2021
Letterlocking
By
Michael Leddy
at
8:15 AM
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“Part-beagle”
Letterlocking: a way to keep your correspondence confidential.
Found via Mike Brown’s Oddments of High Unimportance.
By
Michael Leddy
at
8:15 AM

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