Functions include:
Ergonomic design to improve hunchback.
How to use:
1.Put on your shoulders.
2. Adjust to the appropriate position at the waist
3. Adjust the tightness and stick the hook and loop.
Step 4 wear it.
Precautions:
1. Due to manual measurement, please allow a difference of 1-3mm. Thank you for your understanding!
2. Due to the differences between different monitors, please understand that the image may not reflect the true color of the article.
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