The interior and accessories designer Elisabeth Weinstock has opened a boutique in West Hollywood, Calif., that offers a range of designs in exotic skins, including water snake, crocodile, and anaconda. The homey shop comprises three rooms including the Man Cave, which is equipped with a fully stocked bar so clients can enjoy a cocktail while shopping. The selection includes one-of-a-kind furnishings, such as a coffee table ($6,200) and backgammon set ($8,950) each covered in viper skin (they can also be …