1923 Mo. Laws 241-42, ch. 52, § 6605a16

Abstract

Prohibited the carrying, while a passenger or operating a moving vehicle, of a revolver, gun or other firearm, or explosive, any Bowie knife, or other knife having a blade of more than two and one-half inches in length, any slingshot, brass knucks, billy, club or other dangerous weapon. Punishable by imprisonment of minimum 2 years.