►Watch more Signature Series here! http://win.gs/SignatureSeries2017 Ryan Sheckler invites the world’s best skateboarders to a one-of-a-kind street course in Detroit’s Hart Plaza. Returning for its third year with an improved course layout, Hart Lines will have even more room for skaters to stomp stylish tricks. _ Experience the world of Red Bull like you have never seen it before. With the best action sports clips on the web and original series, prepare for your "stoke factor" to be at an all time high. Watch Red Bull TV: http://win.gs/WatchRBTV See into our world: http://goo.gl/J49U Red Bull on Facebook: http://win.gs/redbullfb Red Bull on Twitter: http://win.gs/redbulltwitter Subscribe to Red Bull on Youtube: http://win.gs/SubToRedBull Subscribe to the Red Bulletin: http://win.gs/TheRedBulletin Sign up for our Newsletter here: http://win.gs/RedBullNewsletter