Four Walls Irish American Rye Whiskey 750 MLDescription Four Walls is a new Irish American Whiskey brand from Rob McElhenney, Glenn Howerton and Charlie Day made in tribute to the four walls the gang calls home the bar. Hand selected barrels of grain and malt Irish whiskeys are uniquely blended with American rye whiskey for a new Irish American tradition. Served on its own, in a cocktail, or with your favorite beer, Four Walls is The Better Brown no matter the occasion.