The upgraded shoulder strap adjuster prevents the shoulder belt from rubbing against the shoulders, neck and chest without affecting safety. We've elimated complex installs and WEAK hinge points to make a more rigid longer lasting product. For many years, the shoulder strap has been haunting your shoulders, neck and chest. Using this shoulder belt locator, you can keep the belt in the correct position to increase comfort all while making sure to maintain safety. Our unique design keeps it securely in place by using a weaver style approach to keep friction and prevent sliding simple, functional, and made to work. Perfect After-Sales : We provide perfect after-sales, you have any questions can ask on the platform, we will reply you within 24 hours, to provide you with the perfect shopping experience.