1968, BLADES AND PRESSURE FLAKING, Francois Bordes & Don Crabtree 

1968, BLADES AND PRESSURE FLAKING, produced for the Anthropology Dept at UC Berkeley, demonstrations by Francois Bordes and Don Crabtree, written and directed by Clyde B. Smith.
The film explores the various materials, techniques and tools used by ancient man in the crafting of his everyday and specialized cutting tools.