Practice-T Alignment & Ball Position Guide (Green) putting mirror This will prevent you from

This will prevent you from moving your body outside your base during your backswing

and ball-first contact

This group works at home

It gives you a consistent way to check your putter shaft angle at address

You can also train speed much better on a flat mat

Practice-T Alignment & Ball Position Guide (Green) putting mirror This will prevent you fromThe EyeLine Golf Practice T with Mirror is the perfect practice tool for setup. The sliding rails keep your feet aimed at the target and allow you to check your ball position. The mirror slides on the top rail and allows you to see if your shoulders are square and if your eyes, head and hips are properly positioned. Folds to fit in your bag.