^^^ I doubt I will. Initially I go knuckle on 3 or maybe 3/4 for forehand and knuckle on 1 for single hander. It might happen that eventually they get to a point where it would be possible (a la Guga) but I'm not sure I would encourage it, maybe if they do it naturally and it works then fair enough.
I tweet - @ashtennis guru (no spaces)
I Shoot - www.flickr.com/photos/ashtennis guru/ (again no spaces! grrr)