The instrument played in the gif above is not actually a gong.



Putting out only the thumb or both thumbs and index fingers
Put your fingers inside and hold it
It produces a sharp and strong sound with a high frequency.
specialized
It is a traditional Korean percussion instrument.

A gripping method that involves hanging a piece on a line or
In terms of shape, it is closer to a gong than a gong.
To be exact, it is called ‘Gong’, a Chinese musical instrument.
For reference, the sound of the ball is as follows.
That’s exactly what you often hear in Chinese historical dramas.