I dont like that every time an ace turns face down you slide a card from top to bottom very openly. I think that should be done a little more subtlely, so it looks more "magical", as in the aces turn over just by spreading the cards and nothing else.
You can compare it to having an ambitious card routine, but where you cut the cards to get the signed cards on top, instead of the card rising by magic.
My suggestion is to do the "work" just before you close the spread.