As a child growing up I always loved to draw. I would sit at my desk for hours creating wacky cartoon characters. However, little did I know at the time that it would be many years into adulthood that I would learn the importance of shading in order to add depth to my artworks. This video explores the techniques used when crosshatching. Give it a shot. It takes a lot of time, but it is very rewarding for your finished piece. Have fun!