LBY Large Bowl Yellow Rib Kemper Loop & Trim The Bump is a contouring

The Bump is a contouring tool

and dinnerware safe

It is the most stable and reliable colorant

Pair of 4" aluminum pot lifters for lifting pots off the wheel to a drying board

LBY Large Bowl Yellow Rib Kemper Loop & Trim The Bump is a contouringLarge Bowl Rib is the big brother of the Small Bowl Rib. It is designed to give as many radius sweeps on the clay as possible (size 6. 38" x 3. 88"). With a smaller curve in the front and a bigger curve in the back, this is a workhorse of a rib, especially if you are throwing big pots! These polymer ribs are made of unique flexible materials that are resistant to wear and the formation of burrs. We've found that with general use these ribs become