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.

New York's gravity knife law is so vague it's unconstitutional, judge rules – New York Daily News

New Jersey Knife Laws: Everything You Need to Know

When does a knife become inhumane? My friend is showing me the tip of one of his knives and it got me thinking about some of the crazier designs that were circulating

9th Circuit overturns butterfly knife ban, citing Supreme Court gun ruling - Los Angeles Times

Is it legal to carry a knife in NJ? - Quora

Switchblade - Wikipedia

San Diego-based federal judge again strikes down law banning high-capacity magazines – NBC 7 San Diego

Gravity knives no longer illegal in NYS

Switchblade, Ultimate Pop Culture Wiki

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

Switchblade - Wikipedia

Why Are Gravity Knives Illegal? Their Mechanism and Legal Status