Glue to a bat, or use on top of a bat grabber and smooth the bottoms of your pots with this inexpensive diamond impregnated metal disc.  Works great on an 8" Amaco Plastibat used in the amaco bat system.

SELECT 60 Grit, 120 Grit or 180 Grit above.

60 is the roughest, 120 the medium, and 180 the finest

Removing glaze drips

Leveling warped bottoms

Removing wads from wood or soda fired ware

Removing stuck kiln wash from bottom of pot

Making a uneven foot ring flat