close up of a ballpoint pen being clicked repeatedly

closeup ballpoint pen clicking repeatedly hand clicking mechanism pen plastic writing instrument office supplies stationery writing tool repetitive motion tactile fidgeting stress relief handheld plastic pen office accessory clickable pen clicker mechanism thumb index finger clicking sound hand motion push button finger motion clickable repetitive movement fiddling hand movement tactile sensation office tool writing utensil stress reducer fidget toy pushbutton mechanism click press clicking gesture hand action