- 2C:39-1 h. "Gravity knife" means any knife which has a
blade which is released from the handle or sheath thereof
by the force of gravity or the application of centrifugal
force... p. "Switchblade knife" means any knife or similar
device which has blade which opens automatically by hand
pressure applied to a button, spring or other device in
the handle of the knife... u. "Ballistic knife" means any
weapon or other device capable of lethal use and which can
propel a knife blade.
this is the section re: opening method. all laws are written similar to this, it allows application in varying circumstances. any law that is too specific becomes obsolete quickly.
if an sng, or any knife, opens too easily, tighten the pivot screw.