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 Supreme Court of the United Kingdom. Ten of the initial Justices of the Supreme Court were ten of the twelve then existing Lords of Appeal in Ordinary (Law Lords). One of the Law Lords (Lord Scott of Foscote) had retired on 30 September 2009 and the 12th, Lord Neuberger of Abbotsbury, became the Master of the Rolls (the senior judge who heads civil justice in England and Wales). The 11th place on the Supreme Court was filled by Lord Clarke (previously the Master of the Rolls), a member of the House of Lords who was the first Justice to be