“…There is a wide range of skills that need to be learned and practised in the relevant contexts of situated action. Still, within this broad spectrum of skill and expertise, the knapper must be able to sense the qualities of the stone, and predict the consequence of a strike given, as well as organise various functional parameters and gestural variables simultaneously (Chazan, 2015; Moore & Perston, 2016; Nonaka et al, 2010; Roux & Bril, 2005a, 2005b; Roux et al, 1995; Shea, 2015; Shipton et al, 2019; Stout et al, 2014; Hutchence & Debackere, 2018). The skills and bodily techniques needed to control the shape of a flake take years of practice.…”