Using this vintage cast iron wall sink is easy. Just attach it to a sturdy wall in your bathroom, laundry room, or any other suitable area. You can use it for hand - washing, rinsing small items, or even as a decorative piece. When it comes to maintenance, clean it regularly with a mild soap and water solution. Avoid using abrasive cleaners as they can scratch the surface of the cast iron. Also, make sure to dry the sink thoroughly after each use to prevent rusting. If you notice any chips or cracks, it's best to consult a professional for repair.