Photoshop Ink Brush
✓ Real – Real media appearance
✓ Organic – Crafted from real textures
✓ Responsive – Pressure sensitive*
✓ Natural – No two strokes are alike
*requires a pressure sensitive graphics tablet
— OR —
A well worn brush with a fuzzy woolly texture. Though it has a lot of texture, when used with some pressure at a relatively small brush size it’s a worthy line sketching brush.