https://www.amazon.com/Toothpick-Technology-Culture-Henry-Petroski/dp/030727943X https://www.amazon.com/Toothpick-Technology-Culture-Henry-Pe... Manufactured w

https://www.amazon.com/Toothpick-Technology-Culture-Henry-Petroski/dp/030727943X 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.