Seem's to me this is somthing oh so usefull pah!
If you need a tool to tune a guitar it would seem either you are butt lazy or don't have arms.
If you don't have arms, what the h*ll are you doing with a guitar.
There is a TV show just started over here called "American Inventor", by the folks who brought out X-Factor and American Idol, yay :roll:
This is summit like the people on there would bring out!
I dare say someone will buy it but really............sheesh!