NO! they are a prohibited weapon
butterfly knives are legal but they must be under 3.5 inches. Balisong trainers are legal however.
Balisong knives, also called butterfly knives, are legal in Illinois.
no butterfly knives are legal in nc i just wouldn't carry one around anywhere
If you have a flying liscense.
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.
No they are still illegal in Washington
yes it is i think
Yes they are
they are legal but its illegal to carry or show it on public
Yes. As of July 1st, 2013 all gravity knives are legal to own and carry in the state of Kansas.