17511.
(a) A person shall not carry or possess the following items or articles while attending or participating in any demonstration or protest:(1) Any length of lumber, wood, or wood lath. This paragraph shall not apply if both ends of the lumber, wood, or wood lath are blunt and the object is one-quarter inch or less in thickness and two inches or less in width, or, if not generally rectangular in shape, the object does not exceed three-quarter inches in its thickest dimension.
(2) Any length of metal or plastic pipe, whether hollow or solid. This paragraph shall not apply to hollow plastic piping if both ends of the piping are blunt and the piping does not exceed three-quarter inches in its thickest dimension and does not exceed one-eighth inch in wall thickness, and not filled with any material, liquid, gas, or solid, if used solely to support a sign, banner, placard, puppet or other similar expressive display.
(3) Baseball or softball bats, regardless of composition or size. This paragraph shall not apply to items configured of cloth, cardboard, soft plastic, foam, or paper for expressive purposes.
(4) Any tear gas, mace, pepper spray, or bear repellant.
(5) Any projectile launcher or other device, such as a catapult or wrist rocket, which is commonly used for the purpose of launching, hurling, or throwing any object, liquid, material, or other substance, whether through force of air pressure, spring action, or any other mechanism.
(6) Weapons such as firearms, knives, swords, sabers, or other bladed devices, axes, hatchets, ice picks, razor blades, box cutters, pellet or BB guns, conducted electrical weapons, including, but not limited to, tasers or stun guns, or any chain greater than twenty inches in length or greater than one-quarter inch in diameter, or any toy or replica firearms unless that toy or replica is fluorescent-colored or transparent.
(7) Balloons, bottles, or any other container such as water cannons or super soakers, filled with any flammable, biohazard or other noxious matter which is injurious, or nauseous, sickening, or irritating to any of the senses, with intent to throw, drop, pour, disperse, deposit, release, discharge, or expose the matter in, upon, or about any demonstration or protest.
(8) Open flame torches, lanterns, or other devices that utilize combustible materials such as gasoline, kerosene, propane, or other fuel sources.
(9) Bricks, rocks, pieces of asphalt, concrete, pellets or ball bearings.
(b) This section shall only apply if the person, after being warned, refuses to dispose of the item or leave the demonstration or protest.
(c) This section does not apply to a cane, walker, or other device necessary for providing mobility so that the person may participate in a demonstration or protest.
(d) This section does not preclude prosecution under any other law.
(e) A violation of this section shall be punishable as a misdemeanor.