Every female is guilty of a misdemeanor who, while participating in any live act, demonstration or exhibition in any public place, place open to the public or place open to public view, or while serving food or drink or both to any customer:
(1) Exposes any portion of either breast below a straight line so drawn that both nipples and all portions of both breasts which have a different pigmentation than that of the main portion of the breasts are below such straight line; or
(2) Employs any device or covering, which is intended to simulate such portions of the breast; or
(3) Wears any type of clothing so that any portion of such part of the breast may be observed.
(Ord. 205 § 1 (part), 1973).