The following acts or activities, when performed or undertaken in conjunction with or as a part of any parade, picket line or group demonstration, are prohibited and declared unlawful:
(A) The carrying on or about the person of any firearm or any weapon or article, including but not limited to blackjacks, nightsticks or flashlights, which by their use might constitute a deadly weapon; and
(B) The taking along of any dog or vicious animal, whether leashed or unleashed. This prohibition shall not apply to an animal trained for and engaged in aiding the handicapped.
(`88 Code, § 14-31) Penalty, see § 10.99