Mitre clamp Mitre clamp Mitre clamps are designed to hold mitre joints together. The earliest mitre clamps are a simple spring in a C-shape with sharpened points that are sprung onto the outside corner of the mitre joint. The right angled plates are higher than the screws and the red holder. The screws go under the frame (work-piece) to be held, and the red bit clamps down on the lower-edge of the frame. Recent designs are more complicated; a rigid body holds one fixed and one moveable jaw activated by a cam. Examples of the newer clamps are Jim Chestnut's "Clam Clamp"
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