How to Manipulate the Sound of the Golf Balls

The number two amateur in the world uses a betnardi putter and he was using our fit face. We measured the depth of the grooves and for whatever reason, the tool had cut 7,000 deeper on the original one he liked. So when we matched it up to how he preferred, he actually started putting better because that was what he was used to hearing and the sound coming off the putter head. That's what we're trying to manipulate is the sound that the players are hearing, which translates right into feel.