Dish rack dollies are short, four-wheel trucks that are used to cart around stacks of standard-size racks. Establishments that store plates and glasses in their respective racks can easily move them around with a dolly. Each dish rack dolly is mounted on four swivel casters. These casters feature slip-resistant tread to make it easier to navigate over wet dish room floors. Usually, the racks are stacked high enough on the dollies that workers will steer by gripping the racks themselves. However, handled models are also available for workers that insist on stacking as many racks on the truck as they can, even if they cannot see over the top. This practice, of course, is a safety issue for both that employee and anybody he or she might run into, so it is not recommended.