How would you like to recreate the exact break of Adam Scott’s winning putt at the 2013 Masters? Or putt the very line and break that Phil Mickelson had at Merion’s 16th hole during the final round of the 2013 U.S. Open? Or better yet, test that diabolical double-breaker on the 18th hole at your home course? With up to three million possible combinations that change the elevation and tilt of its artificial putting surface, The Only Green offers you all of those putts, and literally thousands of others to test your skill. It may be the easiest way without finding a golf course to improve the most important and often overlooked part of golf—putting.

The device earned its name when PGA Tour professional Pat Perez was trying it out and, according to Tim Ummel, the managing partner of Golftank, which owns the company, uttered “This is the only green anyone should ever putt on. That’s the only green I need.”  Ummel had acquired the company that originally built the device, once called Dream Green, and immediately re-branded it as The Only Green. Other PGA Tour clients include Kevin Streelman, Chez Reavie and Sean O’Hair.

The concept is simple, and at first glance, doesn’t seem much different than any other indoor putting green. But the platform, raised about four inches off the ground, reveals a series of levers and slots on its side that raise and lower the surface to provide the slight inclines that produce breaks. The ends can also be raised to create uphill and downhill putts. Each unit comes with sidesteps that you stand on to putt. The putting surface, which retains the Dream Green trademark, runs 12.5 on the Stimpmeter with the grain, and about 10 against the grain. The company is developing new surfaces to run at nine and 11 on the Stimpmeter.

The Only Green comes in five different sizes, each named after a famous golf course designer, and can be chosen in six different wood types. The smallest, The Ross, is two by eight feet, and has two break stations that provide 50 different break combinations; it costs $3,295. The Tillinghast, which has holes at both ends of the surface, is four by 16 feet, and has 12 break stations, six on each side, which can create up to one million break combinations; the unit costs $8,295. The largest, The MacKenzie, is four by 20 feet, has eight break stations on each side and can create three million different combinations; it runs $9,995. The units can also be built in custom sizes.

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