Hawaii's 'Butterfly Knife' Ban Violates Second Amendment, Says

Knife Rights: Ninth Circuit Holds Hawaii's Butterfly Knife Ban Unconstitutional! – Knife Magazine

Young, Jr. v. State of Hawaii, PDF, Second Amendment To The United States Constitution

Top 8 today Courthouse News Service

Why are switchblades illegal in the US while high-powered guns are protected under the 2nd Amendment? - Quora

Switchblade Ban Stymies Judges Grappling With Right to Bear Arms

Grell Filed PI, PDF, Second Amendment To The United States Constitution

County settles suit over concealed-carry permit application - West Hawaii Today

Switchblade - Wikipedia

Knife legislation - Wikipedia

Ninth Circuit panel tosses Hawaii's ban on butterfly knives – Bearing Arms

Legislative Updates – Knife Rights

Switchblade, Ultimate Pop Culture Wiki

Maryland defends state's right to ban butterfly knives as a common-sense weapon law - Tri-State Alert