Putting Rail Putter Training Aid, Pro Mikumu Horikawa Made by Alpen Used a few times indoors. There are some slight scratches on the area where the stroke is made (see photo 3). ◇ You can always hit in the direction you aim! ◆ Direction ◆ Stroke ◆ Alignment check ◆ Concentration improvement ■ Product Features It has an extremely gentle indentation, and the unique design ensures that the ball won't go straight if the face angle at impact is even slightly off. - Product Name: Batting Grale - Purpose: Golf putting practice - Features: A guide to accurately determine the face angle Thank you for viewing.