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 was not entirely displaced. In heraldry the mitre is always shown in gold, and the lappets (infulae) are of the same colour. It has been asserted that before the reformation, a distinction was used to be drawn between the mitre of a bishop and an abbot by the omission of the infulae in the abbot's arms. In England and France it was usual to place the mitre of an abbot slightly in profile. The most typical mitre in the Eastern Orthodox and Byzantine Catholic churches is based on the closed Imperial crown of the late Byzantine Empire. Therefore, it too