Four More Minutes of Frontside Grinds. Brendan Klein just posted up some old footage of Chris Cope, Rye Clancy, Brandon Perelson, Adam Morgan, Ace Sugimoto, Tyler Mumma, Raven Tershy, Kyle Gallagher, and Luke Girling skating empty pools. TweetradballsJanuary 26, 2015empty pools, skateboarding, videoPermalink