Damn, please issue a warning about needing welding goggles to view that thing. I think my retinas are burned.
The pink work has been copied by a few of the old timers for a couple years. I beached a little hen earlier this winter that fell to a 3 1/2" marabou "worm" tubefly that Les Johnson gave to me. Les's advice is if you want it longer, use two tubes.