Drawing hair. Here's a few good examples of how the different hair styles sit, see how they are totally different styles but the sit in a very similar way. I've also drawn examples of hair blowing in the wind for wavy/curly hair and straight hair. With wavy hair it will get messier than the straight but they will both have fly away strands of hair
LOVEtHEART - Fashion Illustration | Fashion Sketches This is a very crucial part of fashion design. If you are unable to get your Ideas on paper and show others what you want, then you will never get what you want.