The doctor also said that the similarity of the four balls forming the sight line helps golfers keep their eyes focused on the contact point during the backstroke and follow through.
Grooves your stroke
The Pinline™ has about 8% more weight in the head to keep it low to the ground during take away and follow through. The extra weight will eventually groove a smoother stroke into your muscle memory. All ten contestants remarked favorably about how much easier it was to stroke the ball with the Pinline™.
Softer sweet spot
The Pinline™ has a polyurethane insert on its sweet spot that releases the ball more softly than a metal putter. A softer release gives you more feel and control. The ball seems to stay under your control longer.
For even more accuracy, the Pinline™ is face-balanced to keep you from pushing or pulling a putt. Balance the club on your fingertip and the face stays parallel to the ground. Other putter heads droop toe down, indicating they are out of balance.
A large cavity behind the hitting surface tilts the weight of the putter to the front to give every putt a smooth-rolling topspin.
Won’t stub or dig
The back of the head is rounded up to keep you from digging or stubbing against grass in the