This training aid gently encourages the horse to work correctly by strengthening the back, stretching the top line, maintaining muscle tone and building muscle in youngsters. A simple rope and pulley system offers 4 levels of adjustment allowing the aid to be modified as the training progresses. Roller available separately. 1. The horse is encouraged to work in a longer, lower outline. 2. Top line muscles are encouraged to develop. 3. Helps the horse with balance and develops neck muscles. Can be used at a canter. 4. The horse is encouraged to a high outline; for advanced work.