pen - Click, roll, tap, … - Writing pressure - Perspiration - Heart rate Really? Not sure. Akihisa 04/25/2012 Calming - Vibration like heart beat - other ideas - LED - smell - sound/music ♪ When people feel stressed they play with a pen. Playing with a pen soothe your nerve Though still unsure… Playing with a pen annoys OTHERS!! TEST: What pattern of vibration works? How often? - always? - intermittently? But, repetitive & slow motion may work How long? Until back to the baseline?