• The Medicus Swing Trainer has been voted best swing trainer seven years in a row.• Endorsed by former PGA Champion Davis Love III • The Medicus hinged golf training aid has a patented dual hinge that will let you know when you are swinging correctly• Helps groove tempo and proper swing plane • Shows you exactly where the flaw is in your swing• Helps you to develop the correct muscle memory• The Medicus Golf trainer can be used indoors or outdoors