Golf putter posture correction mirror

[product name]: putter posture correction mirror [weight]: 0.14kg [Size]: 31CM long, 15CM wide       Tip: There is a protective film on the mirror. Remove the protective film before use.     Introduction The correction of the auxiliary putter posture is suitable for novice use and teaching, so that you can see your posture through the practice mirror during the putting practice, which is easy to correct.