Sihu ("Four stringed fiddle", Spike tube fiddle) and bow

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~73263~166249/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~17317~104550/full/150,/0/default.jpg