it's possible....but at the same time, he may not be able to control the swing. Sometimes raising the starting point can hurt your release as well. Might take too long for him to get used to it for him to consider changing it
I'm still wondering whats happening to youtube. It takes 5 minutes for the videos to start, and then it takes nearly an hour to load it in HD. :-( Normally, 6 month ago, i didn't have problems at all!