I know you are the designer of the Frankly Frog putter and a putting coach. I need some information about putters and green speed. A friend told me that on slow greens, you should use a heavy putter, ...

If there's one club in the bag that tends to get swapped out more than any other, it's the putter. If you don't believe me, just take a look at the PGA Tour, where golfers move from one model to the ...