Tasman's Bison Large Knuckle Bones (2 Pack) Pack of 2 Tasman's Bison Large Knuckle Bones ( Natural American Bison Lrg Meaty Knuckle Bone (Not water buffalo). Cured at low temperatures, not baked to a crisp. We leave some moisture in the bones to keep them from becoming too brittle. Cured without Smoke or flavorings, just slow cured in their own natural juices. Made & Sourced in the USA from Free Range American Buffalo (Bison) raised without added hormones or antibiotics.