Ever feel like you're late, despite getting off a really good serve? If so, I think this could be the answer to your problem. This tennis drill is specifically designed to reformat and quicken your reaction time on your tennis serve - almost immediately!
Visit the link below to learn more:
http://www.youtube.com/watch?v=OYiS7h14bmw
Visit the link below to learn more:
http://www.youtube.com/watch?v=OYiS7h14bmw