On the greens, The better score is all golfers' target.It's difficult to know how gravity is going to affect the roll of the putt ant only by eyesight,so many amateur golfers miss raising their scores.
How to improve your putting accuracy?
The GHHJX green reader is a great way to read the slope and break on a green. It can show any uphill, downhill, sloping right or sloping left break on any putting surface. The bubble in the spirit level will move around the dial to show you the direction of the break.