SALT & CHOCOLATE NAIL BAR. This original establishment is far from the time consuming process of doing one's nails. Salt & Chocolate offers clients a chance to purchase original photographs by Terry O'Neill. Nail Bar and Showroom, Salt & Chocolate has unique access to world-known designers, artists and jewellery designers, allowing clients to purchase otherwise inaccessible pieces. Exclusive exhibitions and brand launches are regular events. 107 Walton Street, SW3 2HP.