Give your tired old hand a break and stimulate yourself with something a little more gratifying. Doc Joc's Incredible Jack-Off device is a vibrating wonder pump with a textured silicone sleeve that simulates oral sex. Requires 2 AA sizse batteries, not included. Getting a great blowjob has never been so easy - all you have to do is slide your cock into the pump and crank up the vibes for a totally orgasmic masturbation experience!