[Bonetools] Wave-like cracks in striations

[Justin Bradfield]

Dear WBRG

Can anyone help me identify the cause of these cracks that develop in
striations/cuts on bone (see attachment)?

I've noticed this feature in several archaeological tools but never in my
experimental replications. Could this be a natural property of aged bone or
could a specific contact material be the cause? I've only ever noticed it
in striations.

Thanks in advance

Justin
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