You can order attachments from the EET Europarts website, our official partner.
Please make a search in the "Find products here" search box using the following part name:
- ATT-SO1 for Wilson, Prince, and Yonex rackets
- ATT-HD1 for HEAD rackets
Then, select "BUY" and follow the on-screen instructions to place your order.
Also, please make sure to check that your racket is indeed compatible with the Smart Tennis Sensor, by visiting this racket compatibility page.