Chas Guldemond has emerged as one of snowboarding’s most prolific journeymen. From first tracks to first place finishes this webisode series, “Droppin In With Chas” looks to document in detail his 2010/2011 season as well as give you some trick tips along the way. For this fourth trick tip he shows you how to do a 50/50 Alley Oop frontside 270 in a quarerpipe. Good luck.