1. Charge: Fully charge the device.
2. Select Head: Attach the superfine or coarse grinding head.
3. Turn On: Power on and adjust the speed if needed.
4. Treat: Gently move the grinder over calluses in circular motions.
5. Clean & Moisturize: Turn off, empty the vacuum, clean the device, and apply foot cream.
6. Maintain: Use every few months to keep calluses at bay.