Some of the most frequently found artifacts at San Lazaro are bone tools, especially awls, which were used to make holes for sewing skins, or weaving baskets or textiles. Of the hundreds in the collection, many have been heavily used for such everyday chores. This photo shows a few examples from the prehistoric room blocks. After the Spanish arrived with metal, bone became less favored as a raw arterial for tools. The object on the left is 9 inches long.