Bone tools are made from bone materials (including antler) used in Early Man daily activity. They are made by chipping the center of an intact bone diagonally from the base to its top and the other way to make a pointed form. After that, the retouchment is refined. Generally, the material used is the stretched part of bones like legs, arms, foots, ribs, and horns of animal. In Sangiran, the bone tools are found in Blimbing, Tapan, and Grogolan Wetan. They are used to dig and gouge out tubers.
(Wahyu Widianta, Ilham Abdullah, Haris Rahmanendra, Iwan SB)
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 used in Early Man daily activity made by chipping the center of an intact bone){kind=link}