I use both the elevator and rudder, as I suspect most folks do. I think the point of the rudder discussion is that it's a necessary element of the maneuver and not just an option. Personally, I have a long way to go before I can do them in all directions and orientations, but I'm trying to focus on keeping the rudder involved as much as I can. It's a struggle, but I figure if I want to progress, I don't have a choice.