I don't have a shuttle, but have found those small discs you use to move things on carpet, really work well under all the scratchy cabinets -- because I have this thing about moving things around and finding what I've stuffed under them occasionally I use a lot of them. Since my sweetie had one of the bays in his garage (had 3) converted into a nice room for me to sew in, I requested hardwood floors and don't want them scratched. Those moving pads have a nice thick foam pad on them and ought to help.