Brooches are a classic accessory, It is usually made of metal, often silver or gold or some other material. a small piece of jewelry with a pin at the back to fasten to a shirt or jacket. brooch, ornamental pin, usually with a clasp to attach it to a garment. A lapel pin is essentially the same as a brooch in almost every way. The primary difference being that brooches are usually larger and used for decoration.A coat brooch for men can add an extra touch of elegance to your ensemble at a formal event, such as a wedding or a black-tie gala. A classic gold or silver brooch can be the perfect finishing touch to a tuxedo or suit.