Cup holder Cup holder A cup holder is a device, such as a zarf, to hold a cup or other drinking vessel. It may be free standing to hold cups securely on a desk or other flat surface, or in a tree style to store sets of cups in kitchens. They may be built into automobiles or chairs, or fixed to the walls of airplanes, boats, buses and trains. The development of the drive-in restaurant was a step in the cup holder's development. Servers would attach a tray that hooked over the car's side window, which needed to be left up a
Cup holder and recreational vehicles. Another popular cup holder for boats is the "drop in" cup holder. This is a round plastic item, that has a lip at the top. It requires that a hole is drilled into the boat's table or console and then the unit is inserted and the lip holds it in place. These do not accommodate cups with handles. A common desktop computer and technical support joke involves the utilization by novice users of the tray of a CD-ROM/DVD-ROM drive as a cupholder, not knowing its true purpose. These are devices which hold several mugs usually in a