Quick tour of over 300 movies that break down and then help you build your very best butterfly. Includes drills and some exercises too!

Click HERE to see how this amazing interface looks in ACTION. You can search, open multiple movies at once, even save and compare to your own stroke, play in slow motion, freeze frame, backwards, endless loop, save the movie or any frame to itunes for your iPod or phone, practice in a mirror as they play in a loop, print, etc. Try that on a DVD!