Dung chen (telescoping trumpet)

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~25398~104494/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~52897~104493/full/150,/0/default.jpg