Are switchblades really illegal?
California. The law in California allows most knives and has only some restrictions on concealed knives. ... Additionally, daggers and throwing knives are illegal. Switchblades are legal so long as the blade is less than 2 inches long.
How does a switchblade retract?
To retract the blade the button is again pressed so that its slot aligns with the blade. The cocking arm is pulled backwards which itself pulls the blade backward. When the blade is fully retracted the spring mounted button rests in the forward notch and again pops up and locks the blade in the cocked position.