Are butterfly knives illegal in California?

Under Penal Code 21510 PC, butterfly knives are considered a form of a switchblade and are illegal in California. Specifically, it is a crime to carry, possess in public, sell, or otherwise transfer a butterfly knife. Convictions are misdemeanor offenses that carry up to 6 months in jail. Are butterfly knives illegal in California? In

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California legal balisong. : r/knives

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Is it Illegal to Carry a Butterfly Knife in California?

Why are Balisong or butterfly knives illegal ? : r/knifeclub

Why Are Butterfly Knives Illegal And Where?

Why are Balisong or butterfly knives illegal ? : r/knifeclub

Why are Balisong or butterfly knives illegal ? : r/knifeclub

Is it illegal to have a knife in your car in California? - Quora