After cutting my hair this past week, I only like my new shorter look with a wave in it, so this means I've been spending more time with my curling iron than usual. And one thing I've learned is that not all heated wands were created equal, and the mere fact that this one rotates instantly makes the Sarah Potempa Beachwaver ($199) stand out. No, it's not some gimmick, it actually serves a purpose. Not only does the spinning rod make it easier and faster to curl your hair, but it ensures there's a uniformity to your curls, so both sides turn out right. Plus, the longer wand makes it great for lengthier strands (like I used to have), because more of your hair can actually touch the heated barrel. But for my freshly cut hair, I just clip in sections and push the button to rotate the iron, making it easier for me to curl my hair without fumbling with my new shorter length. So regardless of how long your hair is, this tool makes perfect waves a breeze.