Smoked Bison Bones with Marrow for your Dogs. Add a Bison Dog Bone to your order and give your favorite pet a treat they'll love! These Bison Dog Bones come from the femur, hindshank or foreshank and are smoked and contain no seasoning, but a hearty helping of marrow. Choose from the following options: Center Cut Bison Dog Bone Knuckle Bison Dog Bone Whole Bison Dog Bone Variety Pack Bison Dog Bones (contains all 3 option: center cut, knuckle + whole) *Keep frozen until you are ready to share with your furry friend!* Each bone will vary in size, but all are generously cut.