from web site
In Kansas, there were when legal restrictions on butterfly knives, nevertheless, since July 2013, the Kansas Comprehensive Knife Rights Act decriminalized the carrying of all types of bladed weapons. In Illinois, it is legal to own and bring a butterfly knife. In Found Here is prohibited to bring a hidden knife with a blade longer than 2.
Concealed carry of a double-edged knife is restricted. Automatic (switchblade) and gravity knives are prohibited. In Indiana it is legal to own and bring a butterfly knife both open or concealed. In Kentucky, the balisong is legal for hidden and open carrying anywhere one is not otherwise prohibited from bring a concealed lethal weapon.
In Maine, it is legal to own sell and bring. In Massachusetts, the balisong is legal for hidden and open bring so long as it does not" [present] an unbiased danger of threat to a person of sensible and average perceptiveness." Restrictions also apply depending on the area of the person bring the knife (such as within a public school).
In New Jersey the criminal law, NJSA 2C:39 -1, suggests balisongs are prohibited but the concern of legality or illegality is an open concern. In New Mexico, ownership of a butterfly knife is unlawful, because the butterfly knife is a "switchblade" within the significance of the statute making possession of switchblades unlawful.
Zuniga, 303 A.D. 2d 773 (second Dept. 2003)] Nevertheless, the law forbiding gravity knives was discovered to be unconstitutional and their ownership was decriminalized in 2019. In North Carolina, citizens are permitted to bring most pocketknives many of the time. Statute S.14-269, which forbids the concealed carrying of any "bowie knife, dirk, dagger", or "other fatal weapon of like kind" doesn't apply to an "normal swiss army knife carried in a closed position".
In Ohio, it is legal to own a balisong and bring it honestly, and prohibited to carry concealed, as it is thought about a fatal weapon. in Oklahoma, the balisong is legal for open carry but is prohibited to carry hidden. In Oregon, it is prohibited to bring a hidden balisong.