Training Putters by GoSports. Details: Stop wasting time with mindless putting practice and instead practice smarter using the GoSports Putting Alignment Mirror to improve your alignment and setup with minimal effort. The device will help give you confidence in your alignment and tempo that translates to more made putts on the course. In no time, you will see improvement in your putting alignment and speed. It is available in a standard size for regular putters, and an XL size for mallet putters. It also works for both right and left handed players. This is a must-have for golfers of all abilities and comes in retail packaging, making is a great gift.