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. http://www.knife-expert.com