Bow for violoncello.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~52608~104856/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~52624~104422/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~39823~104425/full/150,/0/default.jpg