I guess vendor who sold me SOG Trident did'nt realize it was illegal. Per HRS below, even an assist opener is prohibited.
Oh shit, got to turn my stuff into HPD! My bad being ignorant to Hawaii's knife laws!
§134-52 Switchblade knives; prohibitions; penalty.
(a) Whoever knowingly manufactures, sells, transfers,
possesses, or transports in the State any switchblade
knife, being any knife having a blade which opens
automatically (1) by hand pressure applied to a button
or other device in the handle of the knife, or
(2) by operation of inertia, gravity, or both, shall be
guilty of a misdemeanor.
(b) Whoever knowingly possesses or intentionally uses
or threatens to use a switchblade knife while engaged in
the commission of a crime shall be guilty of a class C felony.
[L 1959, c 225, §1; Supp, §264-9; HRS §769-1;
ren L 1972, c 9, pt of §1; am L 1990, c 195, §