Tour Use Only is used to signify products not meant for retail or products meant to be marked way up at retail. The Your Use Only Line is meant for you, the golfer funding the big company's ability to churn out free tour clubs. The GT-L is a leather that combines performance with a variety of colors, using a waxed finish to fight moisture. The putter grip is hand-stitched, creating a subtle reminder rib capturing the familiar feel of a car’s steering wheel. All BestGrips Putter Grips are available in a pistol shape (strong to medium stroke arc) and a paddle shape (little to no arc).