Anyone with experience with the birdieball practice greens?
Birdieball putting green
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Have one, actually two, been using it for more than a year and really like it. Not sure how much benefit you'll see from the 9x2 being limited by the size. I have 2 18x4's one on top of the other, for a while I had them taped together but it was more than I needed. The double layer feels really good on a hard surface. I get more from doing distance drills than putting to a hole. I marked mine every 3 feet and I putt randomly to different marks with 3 balls trying to stop the ball near the mark. Another thing that improved short putt percentage was standing at 3-6 feet and trying to make 18 in a row, starting over if I missed one. Now if I stand over a short putt I have confidence I will make it. My guess is you will find room for a wider green even if you have to roll it up when not being used. I put a little cardboard under it and get breaks that are nearly as wide as the green. When I set it up at 8 feet wide I chip to it.