The term 'business suit accessory' can refer to a variety of items, but the most common is a TIE. A TIE is a long piece of cloth worn around the neck and knotted at the throat, typically as part of a formal outfit. It is usually made of silk, cotton, or synthetic materials. Ties are often used to add a touch of sophistication to an outfit, and they come in a variety of colors, patterns, and styles.