Whale Tool is a perfect combination of rib and a wood tool. Featuring a sharp, Black Locust, cutting edge, the rounded sides are softened and function beautifully while shaping thrown forms. The curved form adds a dimension of ergonomic ease to the process of undercutting while imparting a soft wood-grain texture to your work...perect for adding a sense of depth to your thrown surfaces. Consider taking a break from plastic ribs and embrace the wood-grain texture that these tools impart on wheel-thrown work. This tool is sure to add a heightened level of quality to your pots!