Professional golfers have always had a distinct advantage when it comes to adjustability - its called a tour rep. The ability to adjust to changes conditions of the game provide a proven and noticeable advantage over the average consumer - until now. The Happy Putter allows regular golfers access to a tour proven technology and gives them the ability to adjust their putters to match their stroke tendencies and changing playing conditions. This app is the consumer’s Adjustability Guide explaining how adjustability can help improve putting, how to make changes to the Happy Putter, and when you should make those changes. :) PUTT HAPPY