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 Pebble shape is great for working on concave surfaces like the inside of a bowl. Choose from 5 different edges: DP0 – EDGE 0 – Smooth

DP1 – EDGE 1 – Organic

DP2 – EDGE 2 – Wave

DP3 – EDGE 3 – Angle

DP4 – EDGE 4 – Tight Wave

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