Many religions prescribe ritual purification prior to worship. A slosh of mouthwash after a surfeit of garlic suffices in the Church of England, although this is voluntary and often observed in the breach.
Two clues in yesterday’s Times Crossword. “London district where no one returns around cocktail time (9); No gin served up? One whisky short? He may be devastated! (5,6)” I like the way the compiler is thinking.