Joist were typically planed smooth (wrought) and sometimes chamfered or beaded. Joists may join to their supporting beams in many ways: joists resting on top of the supporting beams are said to be "lodged"; dropped in using a butt cog joint (a type of lap joint), half-dovetail butt cog, or a half-dovetail lap joint. Joists may also be tenoned in during the raising with a soffit tenon or a tusk tenon (possibly with a housing). Joists can also be joined by being slipped into mortises after the beams are in place such as a chase mortise (pulley mortise), L-mortise, or "short
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