Shaker  keychains are typically made from acrylic, plastic, or other lightweight materials, ensuring they are lightweight and portable. Its structure generally includes a shakeable part, which produces sounds or movements through shaking, providing users with an interesting interactive experience.
In terms of appearance design, rocker keychains usually have various cute patterns and shapes, such as cartoon characters, animal images, anime characters, etc., and can even be customized with personalized patterns and text. In 2024, it became one of the most popular keychain styles. Many people like to design such keychains as support products.