GET THE MORE PARS ARM BAND WITH MINI-ROD
https://www.amazon.com/MORE-PARS-Mini-Rods-Connection-Indicators/dp/B0CQ927Z9Z

Take the guess work out of your putting stroke with the More Pars Arm Band with Mini-Rod for Putting. If you struggle with "rocking the baby" (disconnected from chest) just using the arms, then this Arm Band will be your saving grace. Designed to fit super snug but comfortable, so you cannot cheat. You can use this with all your clubs to help create a consistent and connected swing. Insert the mini-rod and groove lots more!

Use the Arm Band with Mini Rod to:
• Keep Arm / Chest in Sync

• Clear Visual for Shoulder Rotation
with the mini-rod you can make sure your shoulders are moving properly

• Clear Visual for Alignment
with the mini-rod you can make sure your alignment is spot on (square to the target line)

• Clear Visual for a Consistent Setup
use the second mini-rod at your feet for alignment, width of stance and ball position