Strap adjusters are small devices used to modify the length of straps, such as those found on bags, belts, or clothing. They allow users to easily tighten or loosen the strap to achieve a comfortable fit. Common types of strap adjusters include sliders, buckles, and clips, which can be made from materials like plastic or metal. These adjusters are essential for ensuring that items like backpacks or harnesses fit securely and comfortably. By providing a simple mechanism for adjustment, strap adjusters enhance the usability of products, making them more versatile for different body types and preferences.