You could use raw meaty bones. I like the Bison ribs. My Wylie is a super aggressive chewer, and he can't consume the ribs - he only chews off the meat and then gnaws on the bone, getting his teeth nice and clean.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |