Visit Shag Store in Williamsburg for a cash-only event featuring 50 to 80 percent off all garments. Check out laser-engraved bamboo wayfarers ($25, normally $50), long cotton tees ($15, were $30) and five-panel strap-back hats ($13, once $25). The event also includes musical performances by ZEPS & Sean Fitz (The Drobotz) featuring Westbay, plus live artwork and custom apparel.