Confident Strokes

One compliment I get every so often is that my strokes are so certain. I'm not sure if that's anything I'm conscious of, but it certainly comes out when I do more fashion-style sketching. This sketch, for example, pretty much everything was placed with no manual erasing (although there were a few command Z undos) but pretty much each line is drawn in a fraction of a second. Maybe that's what they mean? That's the way my mom always sketched, perhaps I got it from her. I hope so.