If too much wrist hinge has wreaked havoc with your previously smooth putting stroke then the SKLZ Golf Refiner Golf putter is the perfect training aid to help rebuild your stroke. If any extra wrist hinge happens in your stroke or you travel off plane then the hinge will snap highlighting to you precisely where the trouble in your stroke is. When the hinge remain intact throughout the whole stroke with the SKLZ Golf Refiner means your stroke is solid with a great tempo.