Beginners Watch: “Choosing Lines for Dummies” By Skills With Phil April 10, 2017 In this video Phil Kmetz shows you how to choose the perfect line on the MTB trail. Share This: Tweet Skills With Phil Mountain bike skill tutorials hosted by Pro downhill racer Phil Kmetz. Explore and master the techniques behind mountain bike skills with easy to follow videos. Subscribe! Enter your email address to receive our top stories via email each week.