Tenga Flip Zero Gravity Male Stroker - WhiteSpeed and sensation usually trade off against each other. The Flip Zero Gravity White manages both, using internal textures set at a lower elevation so faster strokes stay smooth and fully wrapped rather than interrupted. Pressure pads on either side of the outer shell let you adjust the internal vacuum by hand. Squeeze gently and the sleeve draws closer, increasing focus and responsiveness. Release and the sensation opens out. The entry point sits