How can I keep the back of my inverted bob haircut from flipping out?

And what are some cute ways to style it other then just straight?How can I keep the back of my inverted bob haircut from flipping out?
hot rollers, big ones, just put a few in for a minute. Seriously it works.How can I keep the back of my inverted bob haircut from flipping out?
Try Using a flat iron in the back, and straighten hair slighty under in the back. It will keep your hair from flipping out, and also add some volume