The object is a plastic box with a silver knob at one end labeled, "VOLUME." At the other end is a cable which ends in three flat metal disks. There is also an elastic cloth headband. Based on the manual found with the device there should be a headset with padded ear pieces, but this was not found.
Charles C. Wehrenberg -- Founder of Solo Zone Publishing for basic "WillBall" concepts, competitive-relaxation game logic, system integration, design, and financing. Brian C. Burke, hired to program the "WillBall" games for Apple II Basic to specifications. Peter Gutkin, hired to construct the "WillBall" table exterior console to specifications. Paul J. Wehrenberg PhD, hired to construct the interior logic circuit controller for the "WillBall" Table to specifications.