Nevada - Crimes against public health and safety. 202.350. 1. It is unlawful for a person within this state to: (a) Manufacture or cause to be manufactured, or import into the state, or keep, offer or expose for sale, or give, lend or possess any knife which is made an integral part of a belt buckle or any instrument or weapon of the kind commonly known as switchblade knife... (b)... carry concealed upon his person any... (2) Dirk, dagger or machete... [A 1995 amendment substituted "machete" in this subsection for "dangerous knife."] (4) Knife which is made an integral part of a belt buckle... 2. It is unlawful for a person to possess or use a: (a) Nunchaku or trefoil with the intent to inflict harm upon the person of another... 5. As used in this section... (e) "Trefoil" means an instrument consisting of a metal plate having three or more radiating points with sharp edges, designed in the shape of a star, cross or other geometric figure and used as a weapon for throwing.