Glue diamond grinding disc for ceramics 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. Use water to keep the surface lubricated while grinding. Hold the item you are grinding down on the disc with only light pressure. Let the diamonds to the work for you. You can hold the item in the center or move around the surface for easier use. 

Works great on any bat. Just select a bat which the bat pins DO NOT stick out above the bat. Dry the disc when not in use.

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