Product review (5 stars): which I was glad some of the other reviewers said didn't happen
I have very thick, naturally curly hair.  I used to blow dry, then use a straightener or the instyler.  Both my instyler and blow dryer were probably on their last legs, so I purchased this.  The first time I used it, it only took me a couple minutes to figure this out.  My hair did not get caught in the rotating brush, which I was glad some of the other reviewers said didn't happen, or I'd never have ordered this.  The brush rotates either way you want with the touch of a switch.  You can also stop the brush from rotating just by not pressing the switch at all.  This feature I just love, because I can roll up a section and hold it there while blowing dry.  My hair dries very quickly, and my hair is all styled when finished, no more two step process, just one.  You will really like this, I promise!