Precision You Can Feel. Finish Work You Can Trust. To achieve the most thorough combout and for our scissoring to have the most perfect finish, every hair needs to be stretched and lifted as we're combing. The Comb-Out Comb #515 features a unique rubber Grip Line placed specifically closer to the spine that allows the hair to be combed through first with the tines and then gently grabbed by the rubber. This ensures that we are not missing a single hair and guarantees the perfect comb-out the first time, every time.