Shōko (instrument) explained

The is a small bronze gong, struck with two horn beaters, used in gagaku.^{[1] [2]} It is suspended in a vertical frame and comes in three sizes. In Buddhist music and Japanese folk music the instrument is called kane/shō.

Notes and References

1. Book: Piggott, Francis Taylor . The Music and Musical Instruments of Japan . 1909 . Kelly & Walsh . 978-0-306-70160-3 . 172–173 . en.
2. Book: The East . 1980 . East Publications . 67 . en.