 However, all straight lines must be perfectly straight, all turns smooth and crisp, all changes of speed executed promptly.Orange highway cones are often used to designate the precise spot a horse and exhibitor are to walk, trot, turn or back.Patterns may be made more difficult by having changes of gait in shorter distances, by requiring more frequent or tighter turns, or by asking the horse to turn in place, pivoting on its hindquarters for two or three revolutions.