Pickets or demonstrators shall carry only cardboard or paper placards or signs and the words used thereon shall not be defamatory in nature and shall not be such that they would tend to produce violence. No metal, wood or other hard material may be attached to the placards or signs, and placards or signs shall not be more than 24 inches in length nor more than 24 inches in width. No picket, demonstrator or person supervising or accompanying the picket or demonstration shall make any statement which is inflammatory in nature or which would tend to produce violence or incite riot.
(Prior Code, § 131.05) (Ord. O-63-002, passed 9-6-1963) Penalty, see § 131.99