By correcting the posture with the Gifort straightening belt, you can support the lumbar vertebrae and shoulders firmly and stabilize, you can improve your stiff shoulder and back pain. - It can be used for people of various body types, you can adjust while wearing the waist and shoulder belt related to the correction power. - When using a soft breathable mesh fabric, it is difficult to stuffy and fit is excellent, you can wear it all season. How to install posture supporter 1, Pull the correction belt about the waist belt and adjust it to your favorite correction force. 2. Push the compensation belt against the lumbar belt at the correct corrective force position. 3, Once both left and right correction belts, can be fixed to the waist belt, installation is complete. Please adjust with the correction belt when it becomes painful. Usage notes - Please adjust the size according to your body shape. - Please be sure to wear it from above the underwear. - There are individual differences, but somewhat painful with tightening for correction. - Please stop applying excessive tightening as it will strain your body. - If you are pregnant, please do not use.