I freehand it off the stock the way George and Chuck do it. Usually spray the back flat white so I can see the scribe line. Dull belt or disc grabs and drags on the toe of squishy pads (Kickeez). I should freeze them but never do. I like Decelerators but you need to know where the internal frame is. I also "shoot" the butt a la Gordon's method but with a 4X24 abrasive belt over two plywood blocks (3/4 X 4 X 10 approximately) tensioned by shims (masonite, plastic laminate driven between). I'm not a perfectionist. I think it should be faired to the lines of the stock and look good from 2' away; a 64th high all around doesn't bother me much so I file or block sand to two layers of brown paper tape and then wet sand. Consistently high is better than proud some places and undercut others and having a pro do it is better than whacking a good stock finish.

jack