Fur putting tutor (used and supported by Phil Mickelson) helps you improve your green reading skills while learning to consistently make better putting strokes. The feedback the putting tutor gives takes the puzzle out of missing putts and will help you become a better putter! Fur putting tutor will help you: improve green reading, square your putter face, check eye position and putt like the pros. The Putting Tutors Special Features Designed to identify the putts you square and roll online. The putt tutor features a guide line to direct your putt to the exactly chosen line for your putt. The tutors eye position strips allow you to check the consistent eye position at the address. The putting tutor has two marbles on its front edge that tell you if you just made a "pure punch" and started a putt online. If your putt releases a marble, it means your ball has started offline. This is good feedback because: you cant learn how much a putt breaks if you hit him badly, you need to know which of your strokes putts on line vs. Starting off line, you consistently learn a reliable "pure stroke" putting hub to coarse, 3 different marble gate positions (Standard, Pro and Super Pro) Green Reading Aid: learn how much putts break by simply adjusting the target of the putting tutor higher or lower until well-beaten putts go in.