Foot-operated joystick

This is the model i created to illustrate my idea of a Foot-operated joystick on www.quirky.com .

Quirky is a social product development company. People can submit ideas on their website and if there is enough interest in an idea it gets developed.

Here is a direct link:
http://www.quirky.com/ideations/298463

If you like the idea , please vote so this can become a real product!
Thank you.