It’s illegal to use any knife or weapon in a threatening way.

There are different rules for shotguns and firearms.

It’s also illegal to:

• carry most knives or any weapons in public without a ‘good reason’

• sell most knives or any weapons to anyone under the age of 18

The exception to these 2 rules are folding pocketknives that:

• have a cutting edge no longer than 3 inches

• are not lock knives (they do not have a button, spring or catch that you have to use to fold the knife)

In Scotland, you’re allowed to sell 16 and 17 year olds cutlery and kitchen knives.

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If the knife or weapon is not banned, some examples of ‘good reasons’ include using it:

• for your work

• for religious reasons, such as the kirpan some Sikhs carry

• as part of any national costume

A court will decide if you’ve got a good reason to carry a knife or a weapon if you’re charged with carrying it illegally.

If you want advice on what counts as a ‘good reason’, contact your local police or get legal advice.