During the reign of Charlemagne, ivory-working centers produced sacred vessels, crosses and covers for Bibles. Demand for ivory exceeded supply. But it simply was not acceptable that the trappings with which people showed their reverence for their benevolent deity be in short supply, and so the walrus of France's northern coast generously donated its tusks.
法國查里曼大帝時期，設象牙工作坊產制聖餅盒、十字架與書面，象牙求過於供，但人類對慈愛天主表達虔敬之心的宗教祝禱飾物豈能缺貨，法國北方海岸的海象也只好奉上雙牙。