No entertainer shall appear in any public place while unclothed or with any portion of the buttocks, genitals, pubic region or female breasts exposed, except upon a stage or other surface raised at least 18 inches above the level of the floor upon which the patrons are seated or standing, nor closer than six feet from the nearest patron. Any violation of this section is a misdemeanor. (Ord. 529 § 2, 1988).