Stone Tool Making Techniques: Collateral pressure shaping and resharpening

Collateral pressure flakes were removed more or less parallel to each other.  The term ‘collateral pressure flaking’ refers to flakes oriented at right-angles to the platform edge. 

Kimberley point, lithic casting lab

Kimberley Point

Pirri point SA

Pirri Point

Dalton point casting lab

Sloan Dalton Point

Kimberley point, milk glass

Kimberley Point

End scraper, North Carolina

End Scraper

Pressure flaking tool, Alaska

Pressure Flaking Tool