Once you're feeling confident making loose, General, lines in Photoshop  it's time to explore a more precise tool.  Using a narrow pencil, especially in Photoshop, is a challenging skill.    This series helps build your confidence through a collection of drills and exercises ranging from simple hatching to contour-line photo studies. In addition to traditional exercises, I also   demonstrate a few uniquely digital tools to help clean up your Photoshop linework.   So it's easy for you to follow along, the series includes my set of natural media (Photoshop) brushes