"the folding stool as a ceremonial chair developed in
two ways: one secular, and the other ecclesiastical.
the makeup of the roman ‘sella curulis’ assumes,
through the longobard ‘sella plicatilis’ in steel,
the form of the carolingian ‘faldistorium’.
here we notice another typological alteration.
the crossed legs are frontal instead of being placed
laterally. this was to emphasize the crossing
‘X’ – structure which became a symbol of authority.
the most emblematic example is the throne of dagobert I,
king of the franconians."