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(Penal Code section 17235 & 21510.) In Hawaii, it is illegal to possess, produce, offer, move, or carry any balisong/Butterfly-type knife. In Kansas, there were as soon as legal restrictions on butterfly knives, nevertheless, since July 2013, the Kansas Comprehensive Knife Rights Act legalized the carrying of all types of bladed weapons.
In Chicago it is illegal to carry a concealed knife with a blade longer than 2. 5 inches. https://www.extremely-sharp.com/collections/butterfly-knives-and-balisong bring of a double-edged knife is prohibited. Automatic (switchblade) and gravity knives are forbidden. In Indiana it is legal to own and bring a butterfly knife both open or hidden. In Kentucky, the balisong is legal for concealed and open bring anywhere one is not otherwise forbidden from carrying a hidden lethal weapon.
In Maine, it is legal to own sell and bring In Massachusetts, the balisong is legal for concealed and open carrying so long as it does not" [present] an unbiased danger of risk to a person of affordable and typical sensibility." Limitations likewise apply depending upon the location of the individual bring the knife (such as within a public school).

In New Mexico, possession of a butterfly knife is prohibited, due to the fact that the butterfly knife is a "switchblade" within the meaning of the statute making possession of switchblades illegal. In New York, the balisong has been determined not to be a gravity knife, and therefore not restricted under the Penal Law [see: Individuals v.

2003)] Nevertheless, the law restricting gravity knives was discovered to be unconstitutional and their belongings was legalized in 2019. In North Carolina, residents are enabled to carry most pocketknives the majority of the time. Statute S.14-269, which forbids the concealed carrying of any "bowie knife, dirk, dagger", or "other lethal weapon of like kind" doesn't apply to an "common penknife carried in a closed position".
In Ohio, it is legal to own a balisong and bring it openly, and illegal to carry hidden, as it is considered a fatal weapon. in Oklahoma, the balisong is legal for open carry but is prohibited to carry hidden. In Oregon, it is illegal to carry a hidden balisong.