Now you can enjoy the amazing ribbed and nubbly massage of the best-selling Onacup twinned with the unparalleled intensity of a pressurised chamber. TENGA's Air Tech masturbator is compatible with their vacuum controller, offering mind-bending solo play. Use with or without the vacuum controller to super-charge your strokes and deliciously mimic penetrative sensation. Unscrew the lid and fill with the included lube, then plunge inside the tight toy and relish the incredible layers of alternating ribs and bobbles. If using, fire up the vacuum controller to slowly build suction within the sleeve to intensify each stroke. Please note: Vacuum controller not included.