Golf Ball Sweet Spot Finder...Dramatically Improve Your Game! Ever make a beautiful 10-foot putt on a level green only to notice the ball curve away from the hole at the last second If you thought there must be something wrong with your equipment-you were more correct than you knew. Believe it or not, a perfectly round golf ball has never been manufactured. Just like automobile tires appear to be perfectly round-yet they still need to be spin balanced before being driven at high speeds. The same holds true for golf balls. The inherent lopsidedness of every ball works against you off the tee and on the green. The pros take advantage of every technological advance available to them -now you can do the same! Check-Go Golf Ball Sweet Spot Finders feature: Easy to use game improvement tool Locates your golf balls sweet spot with scientific precision Reduces the chance of hooks and slices High speed gyroscopic action realigns the ball"s variance in mass along the equator The ball no longer has a tendency to wobble Golf balls roll more accurately on the green and drive further off the tee While spinning, use the special pen to permanently mark the ball"s unique equator On the tee or green, simply line up the ball"s equator with your target and swing as usual Make more putts Hit straighter shots Drive the ball longer Product Includes: Permanent marker pen & cap (2) AA batteries "I believe knowing where the sweet spot is and marking it has helped me add 20-25 yards to my shots. I use the equator line in my teaching...showing the student if the ball is stroked properly the line will remain straight, if not the line will wobble" -Walt P. Golf Pro Sweet Spot Finder...Greater Accuracy, More Control & Longer Distance!