Stone tools production with percussion and pressure.
1. Processing with a stone hammer 2. Processing with pressure
3. Processing with a soft tool (wood, bone)

Bordes, F., Faustkeil und Mammut.
Die Altsteinzeit, Kindler Verlag, Muenchen 1968, S. 25.

© Weidenfeld & Nicolson, London
Image processing: FHW


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