Spartacus Leather Cock Gear Plain Leather Cock Ring. These simple leather cock rings may change along three different snaps. Provided with standard hardware in firm stitched black leather, soft black leather, and soft red leather. Now available too in soft black leather with nickel-free hardware for sensitive skin. Oil tan leather is more powerful and stiffer than stitched outfit leather. These oil tan rings are firm but soft. Original Plain Jane Leather Cock Ring with snap closure. Adjustable. Spartacus A Love For Quality Catalog page 28. Made in the united states. New images added Feb 2, 2013