aid or extension of manipulable organs such as limbs and mouth. See make tool and use tool. See Fig. 3. T Fig. 3 Tool: Tools used by K group to fish for Camponotus ants tool composite Two or more tool types used simultaneously and complementarily, to achieve single aim, e.g. hammer and anvil. Human examples are bow and arrow, mortar and pestle, etc. Absent at Mahale. tool set 191 tool set Two or more tool types used in obligate sequence to achieve single aim. Sugiyamas Tool composite. Includes push and pull sponge, pound pestle and leaf-sponge, hammer nut and pick out nutmeat, puncture and fish for termites, pound, lever open and dip fluid. At Mahale, two cases of using tool-set seen when immatures retrieved leaf-sponge from tree-hole with