Learn how to jump, jump follow and jump draw with the easy to use McDermott Jump Trainer. Simply line up your shaft to the guide line and hit the clover. Plus learn how to add Masse to all jumps. Learn how to make the following shots: Standard Jump, Jump Draw, Jump Follow and Jump Masse. Jumping is something that every pool player needs to learn and McDermott's new jump trainer is the perfect way to hone your jump shot skills