Aneros - MGX Syn Trident Prostate MassagerThe MGX and SGX are medically researched and designed devices that work in harmony with your body's own movements. They stimulate both the prostate and the perineum in a rhythmic motion that builds up to unprecedented male orgasms. The MGX and SGX are easy to use and are fulfilling for both the beginner and the expert, with progressively rewarding exercises and experiences. Design That Matters The MGX is well balanced with a ribbed stem for anal canal