The Patent Leather Collar D-ring O-ring in Black with Red Piping. An incredible and stylish look that you'll love to wear over and over again. Not only is this collar incredibly comfortable to wear with the high-quality leather material but it is also incredibly dynamic in its use. The O-ring and D-ring attachment means there are unlimited ways in which you can use this collar to tie up your submissive. The highlight of this collar is the gorgeous colour contrast between the red and black - super sexy!