I've got this, and I believe it's up in the cards section. This trick is good, but really isn't new. Lee had this selling in his Notes "Thinking Out Loud", which has this trick as Deuce Bags. It was renamed Witness and put back up for sale on Theory11 hoping that it's prodution would expand more around the world, and it has...
Flith, the method is up, no double lifts are used. The set it is with the bag itself and how it is folded. I won't expose it here, get it for yourself!