How to Draw: Hips and Butts!

What part of hips and butts are the hardest for you when you draw 'em? They're connected to the pelvis... yet when you're trying to flesh them out, they're so tough! How do you draw that nice line for the butt!? How do you make them look natural!? Today's Spotlight is all about the front and back of hips... that includes the butt, of course. Check them out!