[Amended 11-21-1988 by Ord. No. 88-2468A]
It shall be unlawful for any person to sell or expose for sale, use or cause or permit to be used, an instrument or weapon of the kind usually known as "air rifle," "air gun" or ammunition therefor, "slingshot," "bean blower," "switchblade knife," "automatic knife," "push-button knife," "snap knife," "swingback knife" or "spring blade knife," "water pistol" or "air pistol," or any instrument or product designed to project a string or streamer of plastic material.