B. U-Shaped Head: Suitable for shoulders, cervical
vertebrae and bilateral muscles.
Note: Don't directly hit the cervical spine and spine,
it will cause personal injury.
C. Bullet Head: Suitable for tendon, acupoint, etc.
D. D-Shaped Head: Suitable for back, cervical
and waist massage.
E. Air Plug Head: Suitable for massaging bones
and sensitive parts.
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