As long as it is not concealed. If you wish to carry a butterfly knife concealed, you must have a Florida concealed weapons license or a concealed weapons license from a reciprocity state. Florida has very liberal knife laws, the only thing you can't carr period is a ballistic or self propelled knife.
Per FS 790
butterfly knives are legal but they must be under 3.5 inches. Balisong trainers are legal however.
Yes
Balisong knives, also called butterfly knives, are legal in Illinois.
yes
Yes
no butterfly knives are legal in nc i just wouldn't carry one around anywhere
If you have a flying liscense.
NO! they are a prohibited weapon
Butterfly knives are illegal only if you are carrying them with intent to harm. It is legal for you to own them and keep them at home--for collection. You can also get a trainer, this is legal to carry.
Yes they are
No they are still illegal in Washington
yes it is i think