The Tenga Flip Orb is designed to be a futuristic masterpiece. The hourglass design fits comfortably in your hand, making it easy to glide over your penis. The interior has a refined structure with grooves and studs which are supported by embedded balls. These roll along your shaft and penis head for extra stimulation. You can increase or decrease the pressure yourself via the 2-point pressure pads on the side. Open the Tenga Flip Orb to use, and apply enough water-based lubricant to the innermost section. A lubricant sample is supplied with the Tenga for first time use. Only water-based lubricant is to be used with this masturbator!. Close the Flip Orb again and apply more lubricant to the opening. Because you determine the pressure level yourself you can create the sensation of real oral sex! The seamless design ensures that the lubricant cannot leak. it stays in the masturbator to ensure continued enjoyment for a longer period. After use, open the Flip Orb again?and rinse it