The leather-goods brand Parabellum has opened its debut flagship store, bringing its lines of men’s and women’s bags, wallets, belts, and other accessories under one roof for the first time. Located on Melrose Avenue in Beverly Grove (just outside of Beverly Hills in Los Angeles), the 1,100-square-foot minimalist space showcases the brand’s approximately 35 accessory types, which are available in 11 color varieties of leather and are all designed and handcrafted in Los Angeles. Prices range from $125 to $2,800…