MKM Stamps, Pottery Tools and Texture Rollers: All Free Shipping! We are stocking the most popular MKM carved wooden stamps: Stamps4Clay. We also have roller handles and the most popular roller patterns. Some of the rollers use a handle and some are fingers roller which do not need a handle. The roller patters and texture stamps are unique and easy to use. Mix and match your MKM Stamps and texture rollers to create your one of a kind designs. MKM stamps and pottery tools are great for a studio potter or in the class room! We also have the world famous MKM Decorating discs which make it easy to lay out symmetrical designs on your pottery : a must have !