A new take on the classic Paint Brush Change by Roy Walton that allows for multiple color changes of a single playing card.
On this tutorial Alex Pandrea teaches you the method in detail along with several neat applications.
Regardless, if you put in the time to learn it right, it looks just like the video. Very visual, very beautiful effect. And its more versatile than they let on in the promo video - you can end cleanly with one card, you can do triple changes instead of just a double, and it works on face down cards for color changing deck routines. This is worth getting.