No more Change needed for the Cart Locker - shop easier with the Cart Quarter. Often you do not have a Quarter ready for the rental, and you must ask for change. Cart Quarters are used to replace a real Quarter to rent a Carts or Trolleys in Supermarkets. With the Cart Quarter asking for change is a thing of the past and you never need to use a real Quarter again. More Infos visit www.cartquarter.com