The ICue Billiard Training Ball. In the world of pocket billiards, the smallest mistake can spell the difference between victory and defeat. Millimeters can send you home empty-handed. Every player searches and applies every edge they can acquire and develop. Discovering individual shots that are executed wrong, you will see the importance of this training aid and its potential. If you haven't tried Thomas Van Eck's ICue ball, you don't know what you're missing. With the engraved clock system and easy references to ideal tip placement, the ICue ball offers immediate feedback. Being able to dial in your tip placement allows you to improve where other methods and training aids fail. The most significant improvements were breaking and extreme spin shots. Another revelation was the grids, multiple rings that help you identify the differences in the amount of English you should use. This training ball is an Aramith ball.