Alaska

Alaska – Article 2, Section 11.61.200. Misconduct involving
   weapons in the first degree. (a) A person commits the
   crime of misconduct involving weapons in the first degree
   if the person… (3) manufactures, possesses, transports,
   sells, or transfers a prohibited weapon… (e) As used in
   this section, (1) “prohibited weapon” means any… (D)
   switchblade or gravity knife… a gravity knife is one in
   which the blade opens, falls into place, or is ejected
   into position by the force of gravity or by centrifugal
   force.

– 11.61.220. (a) A person commits the crime of misconduct
   involving weapons in the third degree if the person (1)
   knowingly possesses a deadly weapon, other than an
   ordinary pocketknife, that is concealed on the person.
(b) In a prosecution under (a)(1) of this section, it is an
   affirmative defense that the defendant was… (1) in the
   defendant’s dwelling… (2) actually engaged in hunting,
   fishing, trapping, or other lawful outdoor activity that
   necessarily involves the carrying of a weapon for personal
   protection.