§ 18. Every person who manufactures or causes to be manufactured, or sells or offers or keeps for sale, or gives or disposes of any instrument or weapon of the kind usually known as slung shot, or of any similar kind, is guilty of a misdemeanor. § 19. Every person who carries upon his person, whether concealed or not, or uses or attempts to use against another, any instrument or weapon of the kind usually known as slung shot, or of any similar kind, is guilty of a felony.