Keychain charms are small decorative items that can be attached to a keychain. They come in various shapes, sizes, and materials, such as metal, plastic, or rubber. People often use them to personalize their keys or bags, making them more unique and visually appealing. Some charms represent hobbies, interests, or favorite characters, while others may have sentimental value. These charms can also serve practical purposes, like holding keys together or acting as a mini flashlight. Many people collect keychain charms as a hobby, showcasing their personality and experiences through their selections. They are popular among all age groups and can be found in stores or online.