except for, you know, the part where it has to fit onto the end of the steering column between the drivers' knees, withstand strong forces without malfunctioning or becoming dangerous, and operate in all weather conditions.

An example of the forces involved on the steering wheel - Petrov's crash earlier this year where he jumped the car and the steering column broke: http://videos.larioja.com/informaciondecontenido.php?con=343...