Tibetan singing bowl. The water-filled bowls, when rubbed with a leather-wrapped mallet, exhibit a lively dance of water droplets as they emit a haunting sound. This is very satisfying to watch. :
Tibetan singing bowls - John W. M. Bush
Water Spring Singing Bowl - YouTube
Tibetan singing bowl with floating in water rose inside. Special sticks, burning candles, flowers petals on the white wooden background. Meditation an Stock Photo - Alamy
Do you fill singing bowls with water? - DharmaShop