The Big O is a super-stretchy reusable vibrating cock ring that has the world's only nine speed auto-changeable vibrating ring. Designed with a specially enhanced silicone gel ring, it stimulates the female clitoris with extended ticklers for better orgasms, and also effectively prolongs the length and firmness of the male erection. The Big O offers eighty minutes of pleasure easily activated by the secure on/off switch. Batteries are easily replaced with common watch batteries.
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