Erhu (spike tube fiddle)

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~23266~102477/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~18871~102478/full/,150/0/default.jpg