GREEiN Golf Putting Reader

Now get your grain reading in just ONE second! Easier to use than ever before, GREEiN is sure to help your score! Even pros admit that it's difficult to read both the slope and the grain. But with the new putt training app GREEiN, it's a snap! GREEiN has 3 easy-to-use functions: GRAIN reader shows the roughness and direction of the grain!