Federal judge pulls illegal 'gravity knife,' flicks it open in court

Judge Katherine Forrest was conducting a standard "flick test" to determine whether weapon should be illegal in New York.

Kentucky Knife Laws

Are Switchblades Legal in Your State? Know Your Rights - EKnives LLC

What is a gravity knife? - Quora

Does my Florida CCW license cover concealed knives with blades longer than 4 inches? I know brass knuckles and ballistic knives are illegal. What about wasp knives? - Quora

Cuomo Vetoes Bill to Overhaul 'Gravity Knife' Law for Second Straight Year - The New York Times

Zen Of The KNIFE

Why Are Gravity Knives Illegal? Their Mechanism and Legal Status

Switchblade - Wikipedia

Switchblade - Wikipedia