From the outside, this little mug looks much larger than it really is, because it has a magical double bottom hiding a metal sounding ball acting as a bell and the which interior serves as a resonator.
If you place the palm of your hand over the cup, you can modulate a wide variety of sounds and rhythms by opening and closing the hand. . So this shaker is suitable as a musical instrument, as a drinking vessel.
The Ringing Cups are made by hand in a small craft workshop in Rajasthan,
Being hand made cups vary slightly in their shape, size and texture.
(* Please note apologies with picture they are silver colour but light reflected on top making it look bronze/golden).