Prisha India Traditional Singing bowls (also known as Tibetan Singing Bowls, rin gongs, Himalayan bowls or suzu gongs) are a type of bell, specifically classified as a standing bell. Rather than hanging inverted or attached to a handle, singing bowls sit with the bottom surface resting, and the rim of singing bowls vibrates to produce sound characterized by a fundamental frequency (first harmonic) and usually two audible harmonic overtones (second and third harmonic). Additional Details ------------------------------ Product description: Prisha India Traditional Singing bowls (also known as Tibetan Singing Bowls, rin gongs, Himalayan bowls or suzu gongs) are a type of bell, specifically classified as a standing bell. Rather than hanging inverted or attached to a handle, singing bowls sit with the bottom surface resting, and the rim of singing bowls vibrates to produce sound characterized by a fundamental frequency (first harmonic) and usually two audible harmonic overtones (second and third harmonic).