Stay hard. Get hard. The Macho Stallions Vibrating Erection Keeper super stretchy enhancement ring for both couples. Super stretchy erection ring. Vibrating clitoral stim-u-nubs for her and a dangling ball bangers. For extra stimulation and super orgasms. Erection Ring provides for testicular and clitoral stimulation. Easy to operate. Push button power control. Vibrating sex toy requires 1 AG5 battery, included. Made using phthalate free, non-toxic materials Thermoplastic Rubber TPR, SEBS. A water based lubricant is recommended. Ring measures 4 inches long. Cock rings when worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Prolong rings, erection enhancement, climax control rings, cock rings. Always clean before and after use. The Macho Stallions Vibrating Erection Keeper from Nasstoys of New York.