Invisible underwear. No tape. In fact, the bra is also helpless. Test it yourself. If it is less than 15cm, it is unnecessary to wear it. If it is more than 15cm, it is better to wear it for health and body shape. If it is less than 15cm, it is best to wear it in public places to prevent exposure. You had better not wear a bra at home. If you are not used to it, you can bring a Chinese bra or loose underwear.