A belt buckle is a fastening device used to secure the ends of a belt together. Typically made from materials like metal, plastic, or leather, it allows the wearer to adjust the belt's tightness for comfort and support. Belt buckles come in various shapes, sizes, and designs, often reflecting personal style or cultural significance. In addition to their practical function, belt buckles can also serve as decorative accessories. Some feature intricate designs or engravings, while others may display logos or symbols related to sports teams, brands, or hobbies. This combination of utility and aesthetics makes belt buckles popular fashion items.