Found in 1 comment on Hacker News
baking · 2022-06-30 · Original thread
https://www.amazon.com/Toothpick-Technology-Culture-Henry-Pe...

Manufactured wood toothpicks were actually a new thing. Previously, after a meal people would take a stick and whittle it to a rough point and then after a little bit of use it would get mushy and they would effectively brush their teeth with it.

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