“…Retouch affects two convergent edges. We also carried out morphometric analyses, using experimental and ethnoarchaeological references (McCormick, 1940;Evans, 1957;Flenniken and Raymond, 1986;Frison, 1989;Wilke and Flenniken, 1991;Tankersley, 1994;Dockall, 1997;Jahren et al, 1997;Shea, 1998;Hutchings, 1999;Sellet, 2004;Rots, 2003;Rots et al, 2006;Weedman, 2006). We tested the ''tip crosssectional area'' (TCSA) method, proposed by Hughes (1998) and developed by Shea (2006).…”