Boston Cocktail Shakers come in particularly handy when creating doubles of larger drinks or the need to capture smoke. The combination of the Boston tin and Boston glass leaves more room for creating more cocktails and also the glass Boston acts as a great viewing portal for any cocktails that contain or use smoke. The glass Boston also acts as a nice window into your cocktail that is being prepared, the transparent build and curvature of the glass magnifies the mixture of the ingredients, creating an interesting and fun experience for the customer.