Rack systems, devices, and methods for attaching and providing foldable storage racks underneath refrigerator shelves or cabinets or other shelves for suspending, storing and separating wine bottles and beverage cans and plates. The storage racks can include a plurality of bail cradles each having ends pivotally attached to brackets. The bail cradles can have concave support surfaces for supporting and separating bottles and cans. The bail cradles can have ribbed upper surfaces for allowing a shelf/tray to slide thereon. The racks can have pivotal vertical legs with a slide out drawer on lower ends of the legs. The racks can be used for storing other items such as computer keyboards and the like, used with desks, tables, and the like.