Introducing Satin Groove Rings. Four New Satin designs with a soft luster and a hint of metallic. This collection brings together on-trend tones and classic style. Our Ferrous Satin rings displays metallic swirls and darker steel tones that complement any look or style.    Our one of a kind grooves allow breathability and comfort like you've never seen before with a silicone ring. Designed to keep air in, and moisture out. The medical grade silicone ensures that your ring will remain flexible and comfortable no matter what it goes through.