Prostate massagers are more fun than you might imagine and the Satisfyer - Backdoor Lover Prostate Massager (Red) is a great example. This massager comes with waterproof construction, body-safe silicone, and multiple speed and vibration settings to give you the experience of a lifetime. It is fun, easy to use, and can give you some great stimulation that you can use time and time again. Though discreet in appearance, the BACKDOOR LOVER come equipped with 12 vibration settings to choose from.