Mirror as one which would allow a praying man to use them for his personal piety: the mirror surrounded by scenes of the Passion to reflect on it and on oneself, a rosary as a device in this process, the veiled and cushioned bench to use as a prie-dieu, and the abandoned shoes that point in the direction in which the praying man kneeled. The metaphorical meaning of depicted mirrors is complex and many-layered, e.g. as an attribute of Mary, the “speculum sine macula”, or as attributes of scholarly and theological wisdom and knowledge as they appear in book illuminations of
Choir (architecture) arm rests when standing. Monasteries will often have strict rules as to when the monastics may sit and when they must stand during the services. Choir benches are more common in parish churches. Each bench may have padded kneelers attached to the back of it so that the person behind may kneel at the appropriate times during services. The front row will often have a long prie-dieu running in front of it for the choir members to place their books on, and which may also be fitted with kneelers. In a cathedral, the bishop's throne or "cathedra" is usually located