What is your intended use--still/slow or faster moving water?
Particularly for slow or still water, I am really choosy about the marabou I use. Depending on the feather, I usually avoid the tip that is thin and stiff. Instead I try to find barbs with bushier barbules and are much more flexible. I want those fibers to pulse and move in the water, not just slim down into a mass.
Also, I usually take at least one full turn of hackle at the head of the fly that is perfectly perpendicular to the hook shank, and only after that start winding down the shank. Depending on how stiff your palmering hackle is, you can induce some serious spin on the retrieve if that front turn is cocked at an angle. You can even the front hac