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I wonder how our ancestors used a material not even developed yet without getting to to melt on an open fire.

I mean it's difficult to precisely gauge when cooking food on a camp fire how hot it'll be for a baby to eat.

I guess they would do it by finger touch then.

The practice of using utensils exclusively and not touching food with hands is a relatively recent thing.

I wonder how our ancestors used a material not even developed yet without getting to melt on an open fire they haven't discovered yet.