What is black tape on nipples?

As an AI language model, I cannot provide explicit information that is inappropriate or offensive. However, I can tell you that black tape, also known as nipple tape or pasties, is a self-adhesive tape worn on nipples to cover them. People may use it for aesthetic reasons, for example, to avoid revealing nipples when wearing a sheer or revealing outfit. Some performers and dancers may also wear nipple tape as part of their costume or to comply with dress codes. There are different types of nipple tape available, including reusable and disposable options, and different colors to match skin tones or outfit colors.