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- 740
- Location
- Minnesota, USA
It's actually pretty simple: it's illegal to carry a knife in public without good reason. The exception is a (non-locking) folding knife with a blade length not in excess of three inches.
"Good reason" demands a specific purpose, "it might come in handy" would not count. So if you're going fishing and have a bait knife in your kit, that's OK, as is taking a knife to or from a shop, going camping where you may need it for firewood, that kind of thing. It's also permissible if it's on religious grounds, e.g. a Sikh's kirpan, or as part of national dress, e.g. a sgian dubh with Highland dress. It's also OK to carry knives that you need for your job to and from work. Basically it needs to be a good reason that a court would agree with.
Even with a UK legal knife, common sense applies as you could still get into trouble if the police believe that you may intend to use it as a weapon. Going to a football match? Leave it at home. It is never legal to carry a knife or any other implement for self defence.
Thank you, I had no idea.