It's stick straight and flat until it gets to the bottom, at which point is gets a little fluffy and the ends start to flip out every which way. This happens no matter what length it is.
A while back, after Heather posted about how she gets her beautiful, wavy hair, I tried her method. I have always loved Heather's beautiful, wavy hair and jumped at the chance to recreate her look. I was pretty happy with the result, but I didn't really enjoy the almost 2 hours it took to do it.