Rice Haptic Rocker (IMAGE) Rice University Caption The Rice Haptic Rocker uses a rotating arm to brush a soft rubber pad over the skin of the arm. The more a prosthetic hand closes, the more the pad brushes the skin. Credit Brandon Martin/Rice University Usage Restrictions For news reporting purposes only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.