Any thoughts on the ParaWing idea that is based on the lift / stall advantages of the humpback whale fin tubercles? https://thelacesout.com/for-christmas-2016-

Any thoughts on the ParaWing idea that is based on the lift / stall advantages of the humpback whale fin tubercles? https://thelacesout.com/for-christmas-2016-i-give-the-world-the-parawing-fcc63fb3c20d https://thelacesout.com/for-christmas-2016-i-give-the-world-...