Using this Pipedream PDX Elite Vibrating Silicone Stimulator is easy. First, insert your penis into the soft silicone sleeve. Then, press the button on the removable bullet to start the vibration. You can adjust the tightness by changing your grip to fully feel the massaging ribs and pleasure bump. Remember, the stimulator needs a single AAA battery (not included) to work. When you're done, clean it with the included Refresh Toy Cleaner and warm water. Keep it in a dry and clean place. And don't forget you also get 3 free silicone designer C - rings and a free moist lotion and refresh toy cleaner prep kit to enhance your experience.