en CB01 OFFICIAL. From the creators of Technical Difficulties and Decade comes the next step into the future of freestyle snowboarding. Mack Dawg Productions is proud to present “Amp” a snowboarding video genetically engineered to open yyour mind with smooth and progressive technical riding. –Features the riding of Brian Thien, Jason Brown, Chad Otterstrom, Trevor Andrew, Kier Dillon, Tara, JF, Chris Brown, Jason Borgstede and many others. The highlights include Kurt Wastell ripping a 25 foot water tower with huge wallrides. Also there are some sick gap to rails and large backcountry airs.