Our online store now features ulu knives made of obsidian stone, starting from as low as $100. Our ulu knives are popular as hunters' skinning knives and as collectors' knives. Each is made with a unique obsidian stone, and is handmade using the flint knapping technique. Handles are made of polished deer antler and finished with synthetic sinew. For photos and details, visit www.jjstonecraft.com.