On April 13th, 2018, the Louisiana repeal of the switchblade ban (HB892) unanimously passed the House. From legiscan.com: (4)(a) The manufacture, ownership, possession, custody or use intentional concealment on one's person of any switchblade knife, spring knife, or other knife or similar instrument having a blade which may be automatically unfolded or extended from a handle by the manipulation of a button, switch, latch, or similar contrivance located on the handle.