Ceremonial maces in the United Kingdom carried by the Yeoman Usher of the Black Rod and placed behind the Lord Speaker on the Woolsack before the House sits. All members are required to bow their heads to the mace upon entering the chamber. It is absent when the monarch delivers his or her speech from the throne at State Openings of Parliament. The other mace accompanies the Lord Chancellor on official duties outside the House of Lords. Mace A was made in the reign of Charles II , is long and weighs . Mace B was made in the reign of William III and Mary II
Judicial functions of the House of Lords Appeal in Ordinary", or "Law Lords") heard the appeals, since World War II usually in what was known as the "Appellate Committee of the House of Lords" rather than in the chamber of the House. During the 20th and early 21st centuries, the judicial functions were gradually removed. The final trial of a peer in the House of Lords was in 1935, and in 1948, the use of special courts for trials of peers was abolished. In 2009 the Supreme Court of the United Kingdom assumed the functions as the new court of final appeal in the UK. Parliament's role