关于Knives的也很扯淡。。。
Knives - Dirks, daggers, ice picks, pocket knives, or knives having a fixed blade longer than 2-1/2 inches (California Penal Code 626.10). This does not apply to the lawful use of cutlery and other eating implements used in food preparation or consumption. Also see Explosives/Flammables/Incense.