On The Cover:Just as the sun went down, we caught Haisley Machine's Modified puller, Off Constantly--driven by Curt Haisley--at this year's TS Performance Outlaw sled pull.On The Cover: Just as the sun went down, we caught Haisley Machine's Modified puller, Off Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!