Purpose The golf line marking tool is designed for golf enthusiasts to easily and accurately add lines to golf balls. This helps you align your shots more precisely and verify if your putter is on a straight path. It also supports unique identification marks to personalize your ball experience. Portable and compact design Ultra-thin form factor for easy storage in a golf bag and convenient transport on the course. Lightweight and unobtrusive, it adds no noticeable burden to your equipment. Its portability ensures you can take it on every golf outing. What you get Includes three ball line liners and two colored line markers. The variety of options provides multiple combinations to apply lines on golf balls in different styles and patterns, giving you greater control over the ball’s appearance. Slit alignment set The included slit alignment set is ideal for marking parallel lines on golf balls. It can turn an ordinary ball into a triple-track ball, helping you improve alignment and achieve more precise shots. Use scenarios - Practice range or net sessions: mark parallel or cross lines to reinforce consistent aiming and line awareness. - On the putting green: use triple-track markings to visualize and refine your aim and roll. - Group practice or ball differentiation: apply different color patterns to distinguish balls or organize drills with teammates.