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Comment on My country's police just busted a dangerous 3d printed weapons manufacturer.

maybe instead go to the wikipedia page for ‘Gravity Knife’

or just read my comment more fully. Gravity knives don’t have switches. or buttons. If you’re considering the hinge mechanism that allows a gravity knife to operate, then practically any folder is a “switch blade” and that’s just not true.

from the wiki I linked:

A gravity knife is a knife with a blade contained in its handle, which opens its blade through the force of gravity. This mechanism of opening is fundamentally different from the switchblade…

Even in gravity knives that appear to be opened by a switch or buttons… all that button is doing is unlocking the blade to allow it to be deployed or retracted. If simply having a button or switch or something is all it takes to be a switchblade, then this classic gem would also be a switchblade.

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teft@piefed.social ⁨1⁩ ⁨day⁩ ago
https://en.wikipedia.org/wiki/Switchblade

A switchblade (also known as switch knife, automatic knife, pushbutton knife, ejector knife, flick knife, gravity knife , flick blade, or spring knife)

Like I said, many jurisdictions consider gravity knives to be switchblades.

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- FuglyDuck@lemmy.world ⁨1⁩ ⁨day⁩ ago
  and many jurisdictions have laws written by people who don’t have a frooking clue and are simply reacting to a knife being associated with whatever out-group happens to exist at the time.
  
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  - teft@piefed.social ⁨1⁩ ⁨day⁩ ago
    What does that have to do with the price of tea in china?
    
    My original comment said gravity knives are considered switchblades in many jurisdictions. Politicians being morons doesn’t change that fact.
    
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