Putting can make or break your round of golf. Sink the four foot putts and you really boost your score. The 2-Way Putter Alignment System is a unique putting training aid that creates good stroke and alignment methods. Its fits on any putter and manageable. The best kind of golf putting training aid in the industry right now! work on getting dead on alignment and a better putting stroke using the 2-Way Putter Alignment System. The best golf putting instruction on the market. manageable, made to fit on every putter and practical. Say so long to 3 putting.