Whether you’re trying to clean a picnic blanket, a beach towel, or—in the case of costume designer and new bar owner William Ivey Long—an entire drinking den’s worth of linens, these tiny plastic-and-metal wire brushes are crucial ($5 each at Kiosk, 95 Spring St., nr. Broadway, second fl.; 212-226-8601). Drop on a dollop of liquid cleaner (Long prefers OxiClean), and scrub out the stainage. For more wisdom on the kitchen-and-cleaning front from the five-time Tony winner and first-time barkeep, click ahead.