Stone Balls

[uniface]

https://www.sott.net/article/432854...y-have-been-ideal-tool-to-extract-bone-marrow

Used way, way later here than in the Eastern Hemisphere.

 

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[dognose]

Interesting article, makes sense to me.

 

[MAMucker]

Hmmm.
They couldn’t find round stones to hammer bones, so-they-made-round-stones to hammer bones!
Ok.