Cola and Water
While flasks have had a variety of uses over the years, such as the storing of gun powder, their primary purpose has long been to hold whiskey. Indeed, prior to large-scale production of liquor bottles, glass flasks were the preferred containers for spirits. Often they did not resemble the flasks of today, most of which are made to fit neatly in a back-pocket. Antique flasks tended to be ovular in shape, with short, stubby necks. The most...