QuadMouse or Versatility v5 Joystick Knobs (Set of 2)

3D Printed - Slightly soft, slightly rubbery feel.  Press-on All versions of Quadmouse Round Ball is ideal for use with lips and included with Quadmouse and gives sensation of slightly less movement relative to full joystick deflection Long Narrow is ideal for use with lips and included with Versatility v5 - Extra length gives sensation of slightly more movement or finer control of partial joystick deflection Concave-Cup shaped is ideal for use with finger or tongue  Textured Bumps - if preferred