: Rob in his instructions
: mentions a witches brew - mixing graphite i think in with the epoxy to
: provide a slippery area that resists scratches.

If you search the archives of this bulletin board for graphite, "white graphite" and "HBN", you should turn up a number of threads discussing these coverings. I haven't use them yet, but others have had good success. The "brew" usually includes some Cabosil for additional hardness, if I recall correctly.

-Greg H
St. Paul, MN