Here's their web thread from from Saltwater Fly Fishing Magazine.
As Ron alluded, there are steps missing from their web site.
Flies without hour glass eyes, you need to do both sides. Example: four staddles on top, four on the bottom. Flies with hour glass eyes will act like a Clouser pattern in the water. Just need to place them all on one side.
Tie some flatwings using this technique and crab patterns too.