Mia Moss owns Black Coffee (1417 Vaughn Blvd, 817-782-9867), and Patrice Angwenyi owns HustleBlendz (1201 Evans Av, 817-875-6663) with her husband Tweety. As it happens, their shops are about 2 miles from each other. Moss is a native of Polytechnic Heights and chose to open her fledgling coffeehouse in Poly because,