Using the Fence to Add Rate, Collection, and Power Practice collection and control to achieve powerful turns with your horse. By H&R Editors | September 28, 2020 | 1 minute read Watch now! Your horse has to be controlled and powerful to make a fast pattern when he’s running and turning barrels. Use Shali Lord’s drill to help your horse achieve collection, control, and power. To watch click here. What did you think of this article? Submit Rating Thank you for your feedback!