the collars of the companions of the order) encircled by the Garter and surmounted by a crown. The badge for the secretary shows two crossed quills in front of a rose and encircled by the Garter surmounted by a crown. The chancellor carries a purse, which is embroidered with the royal arms impaled by the Cross of St George. The purse contains the seal of the Order. Garter Principal King of Arms carries his baton of office. The usher carries their staff of office, the Black Rod. Chapel St George's Chapel in Windsor is the mother church of the Order of the Garter and the location of special services in relation to the Order. During their lifetime, all members of the Order of the Garter are entitled to display their heraldic crests and banners in St George's Chapel. While the Garter stall plates (see below) stay in the chapel permanently, the crests and banners of deceased knights are, following presentation at the High Altar, removed from the chapel. Sometimes they are then given to institutions that were connected with the late knight, or kept privately depending on family wishes. Originally after a knight's death, the crests became the property of Garter King of Arms, and these crests have been the subject of occasional exhibitions in the Earl Marshal's Court at the College of Arms. Garter stall plates are small enamelled and engraved brass plates located in St George's Chapel as memorials to Knights of the Garter. Investiture and installation Each June, on Garter Day, the members of the Order, wearing their habits and garter insignia, meet at Windsor Castle. When any new Knights of the Garter are due for installation, an investiture ceremony is held in the Throne Room of Windsor Castle on the morning of Garter Day. This ceremony is attended by all Knights Companions of the order, wearing the ceremonial habits and garter insignia, and also by their spouses. The wording of the oath sworn by the new knights at this ceremony and of the Admonitions addressed to them in turn by the prelate and chancellor of the order when the several items of insignia are placed upon them are extremely similar to the traditions of the past. At the investiture ceremony, two senior knights of the order assist the Sovereign by placing the garter around the left leg of the new knight and in the fastening of