Slam Dunk have announced a whole heap of new bands for their 2012 festival line-up. Gallows, Capdown, Random Hand, Sharks, Hildamay, Straight Lines, Misser, Acoda, Our Time Down Here and Neil Starr are the latest artists to have joined the bill, which is taking place in May in Leeds and Hatfield. A video promo for the event has been released, which you can view below. Tickets for both Slam Dunk North and Slam Dunk South can still be purchased.