The swivel cord makes maneuvering the Chi almost effortless no CHI Hair matter which hand you're using or in which direction you're moving.These features are tyfitsb20110720 standard with all models of Chi straighteners, however, there are two important features to consider that differ among the models to pick the straightener most suited to your personal hair needs.A narrow iron is best suited for short, funky styles or for light use, e.g. if you only straighten your bangs or flip out the hair framing your face. Wider plates are best for CHI Flat Iron longer hair and thicker hair. The wider plates allow each section of hair to be heated longer, and will make quicker work of straightening long hair.