NEW YORK — Designers are giving a new spin to the classic alligator bag this fall. They’re showcasing them in a variety of playful shapes, from chic bowling looks to small shoulder bags, often accented with beaded straps and whimsical embroidery. Here, Rafe New York’s embroidered brown crocodile-embossed leather bag with a python strap and a pink alligator-embossed leather bag by Nicole Miller at Accessories That Matter. For more, see pages 4 and 5.