National symbols of Ireland, the Republic of Ireland and Northern Ireland with Jameson Irish Whiskey and Tullamore Dew the main whiskey brands. Poitín, made from potatoes and with an alcohol content of up to 90% ABV, is the traditional Irish moonshine, brewed illegally since 1661, when a duty was placed on whiskey and other spirits were made illegal. According to one guidebook, ""If you see a product labelled "poteen" in an airport or a bar, it's simply a white duty-paid Irish schnapps. By definition, poteen is illegal and can't be sold."" Stout, a dark beer made using roasted oats or barley, is the national beer, with Guinness heavily promoted as a
The Barley Mow mow"); if one's glass is not empty by the final verse, one must finish the drink after singing the line. A barley mow is a stack (mow) of barley, especially barley that was cultivated and then harvested. Barley is a grain that is commonly malted for brewing beer. The verses of "The Barley Mow" wish good luck to various sizes of vessels of alcoholic beverages, and lastly to the barley mow, a venerable reserve of one of beer's key ingredients. Later verses supplement this list with roles and occupations associated with beer, from brewing, to distribution, to serving in public