Thrasher Magazine's "Grindland" Official TrailerThrasher’s first full-length documentary, "Grindland" is the story of Mark Scott and Mark Hubbard, two visionary skaters from the Pacific Northwest who, along with dedicated friends, kickstarted the modern DIY/concrete skatepark revolution. Premiering this Friday, Jan.14th on all Thrasher channels Keep up with Thrasher Magazine here: http://www.thrashermagazine.com http://www.facebook.com/thrashermagazine http://www.instagram.com/thrashermag http://www.twitter.com/thrashermag