The jaw harp, also known as a mouth harp or Jew's harp, is a small musical instrument that is played by plucking a metal or bamboo tongue while holding it against the mouth. This creates a vibrating sound that can be modulated by changing the shape of the mouth and the position of the tongue. It has a long history and is found in various cultures around the world. Typically made from materials like brass or steel, the jaw harp is lightweight and portable, making it easy to carry. It is often used in folk music and traditional performances, contributing a unique sound that adds rhythm and melody. The instrument is simple to learn, making it accessible for beginners and enjoyable for musicians of all ages.