First, screw your tags into your clubs, using the hole at the end of the grip. Secure a tag to each grip, and return the clubs to your bag.
The App will prompt you to select all the clubs with which you play. It is essential that you select every club in your bag. The App will prompt you to select tag type for each club, or remember your selection for every club.
NOTE: Maximum number of clubs you can have active at one time is 14 per rules of golf.