Trousers by Lock Stock, Part of a co-ord set, Mix and match, Stretch waist, All-over stripe, Side pockets, Slim fit, For a tailored silhouette. Founded in East London, Lock Stock describes itself as a product of its surroundings, combining its love of tailoring and street style to create a range of shirts, suit trousers and suit jackets. Expect sharp silhouettes, attention to detail and next-generation fits.