REFINER TWO WAY ADJUSTABLE HINGED DRIVER Click Arrow to Select   LH Driver with Training Grip Steel Mens $79.95                         The ReFiner® is a PATENTED two-way adjustable-hinged driver, engineered to hit golf balls and teach a smooth, even-tempo swing. The ReFiner® allows you to: Practice at the range or at home. Receive instant feedback. Improve tempo, timing, and club head position. Practice any time of the year. Make better contact with the ball, hitting it straighter and further.