Product Overview: Introducing the Putting Rail Training Aid from Golfing Buddies. Features: Great for setup, alignment, aiming, speed, rhythm, timing, concentration, focus and more. Learn to do the important putts like a pro and feel when you have made the right putt, with a putter head at right angles to the target, at the moment of impact. Practice wherever you are. Immediate feedback - if you make a bad putt, the ball will fall off the rail, if you make a good putt, the ball will stay on the rail. Make a game out of it and try and make 10 in a row!!!