organization of exhibitions and trade fairs for commercial purposes; the bringing together, for the benefit of others, of a variety of goods, namely, unworked or semi-worked leather and animal skins, imitations of leather, stout leather, leather used for linings, imitations of leather or other materials, designed for carrying items, bags, wallets, boxes and trunks made of leather or stout leather, keycases, trunks [luggage], suitcases, umbrellas, parasols, sun umbrellas, walking sticks, whips, harness, saddlery, stirrups, straps of leather (saddlery), clothing, including underwear and outerclothing, other than special purpose protective clothing, socks, mufflers [clothing], shawls, bandanas, scarves, belts [clothing], footwear, shoes, slippers, sandals, headgear, hats, caps with visors, berets, caps [headwear], skull caps, enabling customers to conveniently view and purchase those goods, such services may be provided by retail stores, wholesale outlets, by means of electronic media or through mail order catalogues.