The stroke follows the shoulders, so aligning them is critical.

The Shoulder Mirror add-onworks with theEyeLine Classic Putting Mirror and the Groove Plus Putting Mirror, and it gives an expanded view of the shoulder alignment.Match your shoulders to the mirror lines and you are ready for more solid, end-over-end rolls.No more cut putts.

Just slide the shoulder mirror against the bottom edge of the Putting Mirror.No attachment.

Turn the shoulder mirror around for a great arc template, too.