The idea of putting with a visual mirror is as old as golf itself. This Pure2Improve Putting Aim enables you to position the shoulders in the perfectly square posture every time, so important for consistency. The 12-inch durable construction is designed to be used anywhere you see fit, pop it in the golf bag and take it to the course for additional practice. The mirror ensures that the ball is placed exactly in the centre of the putter face. With regular use putting will become more consistent.