Petal KnivesMichael Sherrill and Mudtools proudly offer six beautiful carving blades in the Mudtools Signature Series. The Petal Knives are handcrafted in Michaels studio from professional grade carbon steel, copper, and sustainably sourced local hardwood. Mudtools strives to make tools that are functional, durable, and beautiful. We believe that the tool you hold in your hand should be as beautiful as the work you make. As with the Dragtool and the DoAll, the