It keeps the dog hair off the couch, pet dander away for those allergic and some dogs appear to like it, "it's comforting" they say. Ladies and gentlemen...introducing the Shed Defender, a leotard for dogs, keeping the hair and dander on the dog and off your floors. I used to have a beautiful blonde husky named Sandi Castle, she's in doggie heaven now. If you've ever owned a husky you know they shed about a Pomeranian a day. There is a undercoat to the undercoat to the undercoat!!