Here's what you need to know:
* Carrying a knife for a lawful purpose (e.g., work, sport, hobby) is generally legal, regardless of blade length.
* Carrying a knife with the intent to cause harm is illegal and can result in serious penalties.
* Some jurisdictions have specific regulations regarding the carrying of certain types of knives (e.g., switchblades, butterfly knives).
* Carrying a knife in a public place can be considered an offense, even if the intent is not to harm.
It's important to be aware of the laws in your specific location and to use good judgment when carrying a knife.
For more detailed information, consult with a legal professional.