 There was a copious amount of stone tools, including a trapezoidal axe of Hessian slate, 17 triangular arrowheads of flint and slate, 16 flint and 7 slate blades, 2 flint scrapers, 1 chalcedony core, plus another 40 pieces of worked stone (mainly flint).At least some of the flint appears to be imported.Bone tools included an antler hook and a knife made from a boar's tusk, 5 bone chisels (up to 18 cm long), 5 awls and a tool made of a hollow bird bone.