The eight-character booster belt is not tight.

Improper wearing. According to relevant information, the eight-character power-assisted belt is not tightly worn because it is improperly worn. The principle of the booster band is to transfer the force directly to the forearm through the bandage, thus reducing the requirement for finger grasping. The winding direction of the grip belt must be opposite to the finger direction, and the winding direction of the grip belt must be opposite to the finger direction.