bone carving
folk art of carving designs in animal bones, teeth, horns, or antlers, or making figures or implements from these materials
en-GB/ˈbəʊn ˈkɑːvɪŋ/
en-US/ˈboʊn ˈkɑɹvɪŋ/
folk art of carving designs in animal bones, teeth, horns, or antlers, or making figures or implements from these materials