In which areas must the cup not be used and why does it matter? — Massazi glass N8

According to the card, the massage cup must not be used in the area of the spine, heart, kidneys, breasts and inner surface of the thighs, in case of skin diseases and pronounced skin sensitivity, or during pregnancy; it is not suitable for children under 12. The card does not explain the reasons for the prohibitions.

General information (not a manufacturer's instruction): in case of varicose veins, vascular or blood-clotting disorders and medication that affects the blood, a doctor's consultation is needed before vacuum massage.