Paleolithic: Bones may have helped in the processing of leather

A piece of bone about 40,000 years old from northeastern Spain may have once been used as a base for leatherwork. The regular circular indentations were created because the previous user had punched holes in a piece of leather with a flint chisel to then sew them up. The bone served as a working platform, which gained a score with each hit. The arrangement of the slits, so regular in parts, has no deeper meaning in itself. It’s just the result of a user’s effort to create a particularly regular font, Luc Doyon of Purdue University and his team wrote in the journal “Science Advances”.

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