1, it is necessary to determine the waist position and tie the abdominal belt to the lower abdomen. The most common abdominal belt is the upper, middle and lower belt.
2. Fix the belt in the middle, adjust your posture and try to withdraw the belt in the middle.
3. Fix the bottom belt again and fix the top belt in turn.
4. Finally, readjust the strength of each part and properly adjust the overall position of the abdominal belt.