Duluth, MN (KDAL) - This is the St. Patrick's Day weekend, but it also the start of the Annual Bockfest Celebration at Fitger's in Duluth. Bock is a special beer that is brewed for the spring. You drink it after have the beverage caramelized by a hot poker from an open fire. Most activities take place at Fitger's on Saturday. The blessing of the bock and the start of the celebration is at 5Pm on Thursday.