a slight arc is suited to a putter that is a little toe heavy (when balanced on the hand the toe will hang down a little) and ...

That said, many of the best practitioners are using very old putters bereft of this cutting-edge innovation, as you will see below! While ultimately playing at the top level requires the ability ...

Any industry—from aerospace & defense, energy and heavy industry to transportation ... CAD/CAM software screenshot of the putter that was produced using closed-loop manufacturing practices.