The length of the shoulder strap can be lengthened or shortened by lengthening or shortening the length of the single-ply section with the Dual Sternum Strap Adjuster.

1. When the shoulder bag needs to be changed, people often want to adjust the length of the shoulder strap. However, when the length of the shoulder bag on the market needs to be adjusted, it basically adopts the method of adjusting the buttonhole, which is slow to adjust. In addition, the buttonhole part is easy to deform, and the exposed deformed part after adjustment will often affect the appearance.
2. When installing the strap of the new messenger bag, you can first pass one end of the strap from the iron ring on one side of the bag to the outside, and make the belt reed upward when wearing it, so that the front of the strap can be used. Upwards, and then keep the belt as it is, and then pass the head of the belt through the gap of the iron frame with the head on the other side, the belt reed should be kept inward, it may be difficult to wear, and then keep the direction unchanged and then put the head of the belt. Pass through another gap in the iron frame of the strap head on the other side, and finally pass the strap head through the other loop buckle of the bag, and fasten the reed. When in use, the iron buckle can be moved on the strap to change the length of the strap.