Garrity Tools Foot Rib 2Unfoot 2 provides a simple way to give your clay vessel a bit of a lift. With curved sides that end in a point on one corner and a small flat edge on the other, you can undercut your clay while maintaining the shape of your walls. This pottery tool will save you tons of time that you might spend trimming later. size: 4. 25" long x 3. 25" wide material: maple wood Comfortable, beautiful, and practical. Handmade by a creative team in St. Louis, MO.