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Can flake over grinding be done ABO?

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seminolewind:
I was looking into flake over grinding and wondered if it could be done with primitive tools. I know most modern knappers start with a slab ground into a lenticular shape then take a row of final flakes from the ground preform. The final product is awesome but it seems like it could hardly be called knapping to me. What I'm wondering is if anyone has ever tried creating a preform with percussion and pressure then ground it by hand (much like a stone axe or war club) then took a final row of flakes off for the asthetic value?

mullet:
There is evidence that the very thin Newnan and Hillsboro points were hand ground after heat treating. I've watched Claude VanOrder hand grind some preforms to make them more uniform.

papoints:
I think that the Gerzean (sp?) knives in Egypt were ground at least on one side.

iowabow:
I watched a video the other day where a guy hand ground a celt from chert. Kinda cool.

seminolewind:
It sounds like it is possible, ill have to give it a try one day. You gotta love how those flake scars look with that grinding.

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