The HydraMat ($80) uses a thick, tough, bristly Polypropylene turf to clean shoes before they reach your deck. Durable and easy to clean, the mat actually holds a small amount of water in the bottom to help scrub shoe soles and wash away sand, grit and other potentially harmful elements. Skid-resistant rubber pads hold the HydraMat firmly in place. HydraProducts, Rocky Mount, NC; (800) 342-9130; www.hydraproducts.com