Keychain

A keychain is a small, durable accessory used to hold and organize keys. It typically consists of a metal ring or chain with a decorative or functional attachment, such as a charm, logo, tag, or miniature item. Keychains are often made from materials like metal, plastic, leather, or rubber, and come in a wide variety of shapes, colors, and designs. They are popular as personal accessories, souvenirs, promotional items, or gifts.