They are referred to as "gravity knives" and are prohibited.
butterfly knives are legal but they must be under 3.5 inches. Balisong trainers are legal however.
Butterfly knives are not illegal to carry in MN, but it is illegal to use it as a weapon, so just don't stab anyone.
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
yes it is i think