Spartacus Leathers Cock Gear Leather Cock Ring Studded Sewn Leather. Deco Rings Leather Rings. Carefully rolled and sewn garment leather gives these rings a silky texture. Sewn Leather Studded Cock Ring snap closures. Hand crafted leather goods. Metal studs accents for added decoration. Adjustable cock ring. Spartacus A Passion For Quality Catalog page 28. Made in the USA. New images added February 3, 2013.