Discover Monty Roberts techniques with two lines and trigger radical improvements in your horse. Single line lunging will tend cause your horse to disunite throwing you out of balance and ruining an event, competition or ride-out. With Double Line lunging, your horse will carry himself more naturally; work off the bit from the ground, perfect transitions, improve his paces and muscle tone, develop competition perfect symmetry and shape. School your horse to perform with athleticism, improve overall fitness, responsiveness and accuracy. Above all, discover how it feels to ride a happy, well balanced horse, empowered to move with natural grace, shape and rhythm. School the Monty way: Double Long-Lining. 30 feet lines come in a set of two.