Medicus Dual-Hinged Golf Swing Plane Training 5-Iron Ideal for home use and/or practice range training. Provides instant feedback which allows you to feel and understand the proper swing. Improves timing, tempo, and coordination and helps you hit the golf ball further and with more accuracy Benefits all levels of golfers; includes an instructional DVD with Mark O'Meara Medicus clubs are designed to hit golf balls when swung properly.