Psycho Bunny, a trendy men’s store known for its colorful polos and skull-and-crossbones logo, just opened in the Macy’s wing at Westfield Montgomery mall. Sheepskin Gifts & Alpaca Too has returned for its annual winter run, this time in the Nordstrom wing. Other recent openings include Beauty Frizz, a hair care shop; and The B-12 Store, offering vitamin supplements and injections. Next up for Westfield Montgomery: an all-socks boutique and a new shoe store called Kickz.