Direct Percussion Flaking
Direct percussion flaking involves striking the core platform with a hammer (or ‘indentor’) to detach the flake. Forceful blows are called ‘percussion’ to differentiate the technique from ‘pressure’, which involved pressing the flakes from the core.
The direct percussion technique was practiced in all times and places and almost all toolmaking methods used percussion flaking at some point in the reduction sequence. The history of human technology began with flaking and some researchers have suggested that the evolution of the human hand and arm was driven in part by the need to percussion-flake stone into tools.
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