Yellow dye is added to be the base of a single stripe. Then a blue curbed line is added. Color is spread by rubbing finger along the color lines. Plastic or rubber gloves may be worn to protect hands from dye.
The original object was scanned as a TIFF file on a Nikon Coolscan 4000 film scanner at approximately 4000 pixels on the long dimension. A 300 ppi JPEG file limited to 1024 pixels on the long dimension was then added to the CONTENTdm database.