Robot Handjobs Are The Future, And The Future Is Coming (NSFW)
The device attaches a Novint Falcon—a grip-based, haptic controller—to a Tenga, a Japanese industrial masturbator. Used as intended, the user would insert his penis into the Tenga, which would be manipulated by the Falcon. All the while the user views on his Oculus some sort of visual stimulation synced to the movement of the hybrid Falcon/Tenga.
VR TENGA DEMO (1): Oculus Rift