a wide variety of promotional items exist, ranging from traditional merchandise (such as mugs, pens, oven gloves and tea-towels) to less common items such as coats for small dogs. recently in japan, kit kats have come packaged with cd singles, and a special limited edition double pack of kit kat crispy monogatari came bundled with a mini book featuring six short stories, one of which was written by koji suzuki, author of the ring cycle series. in japan, kit kats are also available in jars that are dispensed from vending machines.