What are real money quarter slot machines and how to play them?

quart slotProduct code, TQTMGT. Pot Shape, Round. Tag Slot(s), Yes. Diameter (inches), 4.75. Depth (inches), 5.27. Max liquid volume (U.S. metric), 1.02 qt 0.97 L.Quarter slots have a denomination of $0.25 or 25 cents per credit. Usually, the minimum bet you can place on this machine is one-quarter of a dollar, though some machines require more.