Setting a Pinwheel Lopeover Obstacle Learn how to properly set up your pinwheel obstacle with Will and Elizabeth Knabenshue. By H&R Editors | November 29, 2021 Click here to watch now! Another popular obstacle in trail classes are the pinwheel lopeovers. This obstacle can only be mastered if you’re putting your horse in the right spot and looking where you’re going. Will and Elizabeth show you how to master it. Click here to watch now!