Buckles are fastening devices used to secure two ends of a strap or belt. They typically consist of a frame and a prong, allowing the strap to be adjusted for a snug fit. Buckles are commonly made from materials like metal, plastic, or leather and are found in various applications, including clothing, bags, and accessories. In addition to their practical use, buckles can also serve decorative purposes. They come in many styles, shapes, and sizes, often featuring intricate designs. Buckles are an essential component in items such as belts, shoes, and backpacks, enhancing both functionality and aesthetics.