Is Arccos Link Pro permitted under the Rules of Golf? Follow The short answer is, yes! For more information on the decision, please review the USGA letter below. Related articles Why Is My Arccos Putter Sensor Missing Some Putts? Troubleshooting Guide Is Arccos Link Pro compatible with my smartphone? Installing the Arccos SuperStroke Putter Grip Accessory: A How-To Guide Does Arccos come with a 1-year membership included? How long is my trial to Arccos?