Straight from Jay Sankey's website
A NOTE TO EXPERIENCED MAGICIANS
If you think you already know the secrets behind all these amazing effects, keep in mind that Jay's been teaching people the secrets to performing REAL MAGIC for over 30 years. So no matter how experienced a magician you may be, you are still going to learn something special from these free videos!
Yes and remember: even an experienced magician who teaches magic for thirty years can still do the Twirl Change wrong!