Optimale Rechargeable Vibrating C-Ring SlateFeatures 7 powerful settings and multiple design features to optimize your sexual performance. Unlike traditional vibrating c rings designed with the vibrator in a sideways position, the OptiMALE Rechargeable Vibrating C Ring is crafted to allow intense clitoral contact throughout penetration. The soft silicone ring stretches to comfortably squeeze the shaft for a stronger, harder erection while the nubbed base, curved design and strategically angled