Organizing medicine-cabinet whatsits in cup sake glasses

They're narrow and short enough to fit comfortably on close, shallow shelves, and the glass is helpful for seeing shorter thingamajigs inside. Akishika Junmai Bambi Cups are a favorite, as are Oyaji Gokuraku Eyeball Ginjo Sake (opaque but worth it) and Ohmine Junmai Cup (diminutive, pleasantly abstract).