• Designed to recognize the putter you hit and start scrolling online

• By simply adjusting the putt instructor’s target up or down until the putt is hit, to understand how many putts will be crooked

• Improve golf technique

• Ideal for all skill levels

• Easy to use

• When you hit the ball crookedly, there will be a small penalty, you need to bend over to pick up the auxiliary ball, which will help improve your skills