The extra material will be the strips on the front and back seams of your thighs forearms biceps and calves. You might need some for side shims depending on your girth. E6000 is glue. It attaches to each thing you are gluing together and sits in the middle. Abs cement is like a weld. It melts each piece and then solidifies and you've basically got one solid piece. E6000 is forgiving. Abs cement isn't.