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[–] 1 point 5 months ago (2 children)

It had some flavor and filled them up

Ok, but why not, for example, wood, straw? Them are mostly inert and even somewhat healthy. I don't know about clay specifically but eating pebbles exposes you to high levels of toxic minerals.

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  • [–] 3 points 5 months ago

    wood, straw?

    Availability, ease of mastication, ease of swallowing.

    If you had sawdust spices and and water you might have a decent shot, but that's not all that easy to make without tools.

    Clay, sand and soil are pretty easy to get to.

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