I suggest you try Intuos instead because its surface has more friction and coupled with a felt nib gives you a better pen on paper feel. Graphire is said to have a more plasticky surface (I haven’t tried one myself though) which you may not prefer.
By the way, I looked at the page where you took the picture from, and it actually says the violin bow grip cannot be used with Wacom stylus. I’m not sure how your drawing grip works, but the Wacom stylus will not work if it’s at an angle smaller than about 30 degrees with the tablet surface.

