Myriad Melodies' 128 Hz Tuning Fork is an amazing resource to include in your wellness routine, offering a unique and powerful way to experience the benefits of working with sound and vibration. OTTO stands for Osteophonic, which combines "osteo," meaning bones, and "phonic," relating to sound. OTTO tuning forks are designed to deliver sound vibrations directly to the bones and tissues of the body. The vibrations produced by OTTO tuning forks resonate deeply, the ultra low frequencies aid in relaxing the muscles and tendons, helping to relieve discomfort and promote circulation. These forks are commonly utilized in sound therapy and holistic healing practices to promote relaxation, relieve discomfort, and enhance overall well-being. Practitioners often seek OTTO tuning forks to help their clients stimulate blood flow, reduce inflammation, and facilitate the release of tension in muscles and joints. Commonly used frequencies include 32 Hz, 64 Hz, and 128 Hz. The Earth Star 68.05hz is a low frequency tuning fork with similar attributes.