The portraits serve as a valuable resource for understanding royal ceremonial garb of the time. They appear to show that royal robes (''[[hibenfuku]]'') grew more elaborate and opulent over time.<ref>''Okinawa bijutsu zenshû'' 5, 318.</ref> | The portraits serve as a valuable resource for understanding royal ceremonial garb of the time. They appear to show that royal robes (''[[hibenfuku]]'') grew more elaborate and opulent over time.<ref>''Okinawa bijutsu zenshû'' 5, 318.</ref> |