if you know what to do, you could end clean. I end clean all of the time. not 100% clean but i give the deck to my spectators right away. I have done many colorchanging decks and this by far the best ever. because you end semi clean. oz explains how in the video check it out.
agreed, i knew how to do 4for4 but kenners instruction was way better than any before. there was not only how to do it but advice and tips on how to do this effectivly. also if you don't know any trick that you can you for this, he shows you one.