Figure 5 : Percussion pits (b1,b2) and percussion notch (c1,c2) present on the Goyet Neandertal bones (example of femur I).

From: Neandertal cannibalism and Neandertal bones used as tools in Northern Europe

Figure 5

(a) femur I in posterior view; (b1,c1) close-up photos; (b2,c2) images obtained using a minidome (see Methods).