35cm/14" Ancol Leather Whippet Collars are smooth and supple to handle but very strong to use made using only the finest quality bridle leather. These collars come with heavy duty buckles and D-rings to complement the style and strength of the finished product. The Whippet collar is 35cm/14" in length and is available in a classic black or traditional tan finish. (Please select from the drop down menu when ordering.) Quality Craftsmanship. Ancol use the best quality English bridle leather for their collars and leads this is because bridle leather is the hardest wearing with the most consistent fibre strength and has its own natural oils to maintain suppleness, strength and durability.