Tenga Flip Zero Electronic Vibrotation - BlackTenga Flip Zero Electronic Vibrotation Black Get Ready to Roll and Rumble with the FLIP ZERO EVR ELECTRONIC VIBROTATION! The FLIP ZERO Electronic Vibration, has merged with the GYRO ROLLER. Experience unprecedented sensations of rolling and rumbling. Rolling + Vibrations! Step beyond the ultimate in pleasure with the FLIP ZERO EVR! An internal gyroscopic sensor lets you manipulate rotational stimulation by simply tilting the item. The dual motor