RH1161 Pony Breast Collar1 wide breast collar. Stainless steel hardware. 5 8 down strap with brass bolt snap and 2 5 8 tugs. Harness Leather is made for strength, durability and heavy use by the addition of oils and tallows in the tanning process. Our harness leather products are carefully edged, hand rubbed and finished with our unique heavy oil dressing to provide a quality look and years of service.