From Mudtools: Our Drawing Ribs are made out of cutlery-grade stainless steel. Think of our Drawing Ribs like different pen nibs or brush tips. The Bean shape is perfect for bowls and cups, both inside and out. Choose from 5 different edges: DB0 – EDGE 0 – Smooth

DB1 – EDGE 1 – Organic

DB2 – EDGE 2 – Wave

DB3 – EDGE 3 – Angle

DB4 – EDGE 4 – Tight Wave

Drag. Hatch. Let your imagination have free reign. Have fun discovering what every side of these ribs can do.