Mason's mitre with much less waste than occurs with a common mitre joint, in which triangular sections must be removed from the ends of both joint members. The terms "back mitre" and "mason's mitre" (or "miter") are often used interchangeably, but are different types of joints, and used for different purposes. Both joints are traditionally used in stone or woodwork. Neither joint requires that one part be coped (or fit) over the other. In the back mitre, the joints follow the mitre and stile/rail joining lines. In the mason's mitre, the intersecting mouldings are carved within a single stone block or the
Mitre under this provision. Three types of mitres are worn by Roman Catholic clergy for different occasions: The proper colour of a mitre is always white, although in liturgical usage white also includes vestments made from gold and silver fabrics. The embroidered bands and other ornaments which adorn a mitre and the lappets may be of other colours and often are. Although coloured mitres are sometimes sold and worn at present, this is probably due to the maker’s or wearer’s lack of awareness of liturgical tradition. On all occasions, an altar server may wear a shawl-like veil, called a vimpa, around