House of Lords Speaker be a member of the House of Lords (though the same has long been customary). Whilst presiding over the House of Lords, the Lord Chancellor traditionally wore ceremonial black and gold robes. Robes of black and gold are now worn by the Lord Chancellor and Secretary of State for Justice in the House of Commons, on ceremonial occasions. This is no longer a requirement for the Lord Speaker except for State occasions outside of the chamber. The Speaker or Deputy Speaker sits on the Woolsack, a large red seat stuffed with wool, at the front of the Lords Chamber.
Judicial functions of the House of Lords applied, but those three had to be Law Lords. Normally, only the Law Lords on the Appellate Committee who were deciding the case voted when the House gave judgment. The Lord High Steward presided over the House of Lords in trials of peers, and also in impeachment trials when a peer was tried for high treason; otherwise, the Lord High Chancellor presided. The post of Lord High Steward was originally hereditary, held by the Earls of Leicester. After the rebellion of one of the Lord High Stewards, the position was forfeited and re-granted to Edmund Crouchback, but it later merged