Read more The Putting Arc MS-3D with Adjustable Mirror $89.99 Based on the original Putting Arc MSIII the new MS-3D allows you to use the toe or the heel of the putter for training. It includes an adjustable mirror for feedback on the position of the head and shoulders. The product is an all-weather, light-weight more versatile version of the deluxe wooden model. Weighing only 2.2 pounds, the MS-3D is 33″ in length – enough for a full stroke for most standard length putts. Because of the durable plastic molding the product is not just more durable, it also costs less. Non-slip pads on the bottom of the product prevent movement and tee-holes are designed for the player who wishes to align the unit and stake it down. The low center cut of the MS-3D accomodates more putter styles and reminds the player not to lift the putter too much while addressing the ball. Like all Putting Arcs the MS-3D may be used right or left-handed. The instruction sheet for the product may be viewed and printed here. The Putting Arc is used by the top amateur, junior, college and professional golfers. Multiple recent USGA national championships have been won by known Putting Arc users.