The term 'It brings good luck' can be answered by two crossword solutions: horseshoe and shooting star. A horseshoe is an object made of metal or wood that is shaped like a U and is believed to bring good luck when hung above a door or in a stable. It is also believed to ward off evil spirits. A shooting star is a meteor that streaks across the night sky, and it is believed to bring good luck if you make a wish when you see one.