Include the file name unless you uploaded it as index.html. Test the link before you print a batch — if it opens a "page not found", the address is wrong, not the QR code.
Adds Apple, Google and Outlook buttons to the client's page. Your Contact above goes in the reminder so they can book — leave it blank to keep it out.
More history makes the code denser and harder to scan off a small label.
String stock
Custom entries
Strings you add show up at the top of the dropdown. Racquets are added per client, on the Bench tab.