The correct way to wear a good back: 1, put on the combined waist with open arms, and adjust the length of the shoulder strap to suit the body length; 2. Flat, adjust the position of the waist and back, and insert your hands into the buckles on both sides respectively; 3. After the left hand is adjusted to a comfortable state of physical endurance, the lower side of the right hand is slightly forced, and the abdomen is sticky; 4. Grasp the left and right sides to strengthen the elastic belt, retract it, and stick the elastic belt to the front of the abdomen with moderate tightness. After wearing it, you should feel the tension and pressure in the front shoulder area, spine area and waist and abdomen area. Too tight or too loose is not appropriate. When you use your back well, you should wear it outside your underwear, put the abdominal belt on your navel, and hook your hair at the position where velcro is glued to achieve the best tension. Precautions for wearing a good back: 1, it is best not to wear it for a long time; 2. Wearing a good back is not suitable for direct contact with the body; 3. For first-time customers with good back, please start from 1-2 hours, and gradually extend the wearing time after adaptation. From a safety point of view, it is not suitable for wearing when sleeping; 4. It should not be tightened too tightly during use. Wearing it for a long time will affect breathing, please adjust the tightness appropriately. 5. When choosing a good back, we should give full consideration to the good flexibility and elasticity of the fabric. If the model is too large, it will affect the effect of posture correction. If the model is too small, you will feel uncomfortable and get tired easily. If you are in doubt or want to buy Bejia, you must look for Bejia official website to avoid buying fake and inferior products.