Professionals Choice Bison Contoured Breast Collar 1165BIS. The Bison Contoured Breast Collar is a 2inch wide contoured breast collar_ made from beautiful Bison leather. Bison leather is soft but stronger than cow hide. Suitable for many disciplines_ rugged enough for daily use. Doubled and Stitched with chocolate harness leather and accented with Stainless Steel buckles.~@... - Professionals Choice Bison Contoured Breast Collar 1165BIS. |