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Wasp Knife - Information, Pictures, Videos

Updated on August 17, 2011

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The handle canister holds compressed carbon dioxide (CO2), which discharges through a tube in the Wasp Knife tip
The handle canister holds compressed carbon dioxide (CO2), which discharges through a tube in the Wasp Knife tip
In a demonstration, the Wasp Knife explodes a watermelon.
In a demonstration, the Wasp Knife explodes a watermelon.

Wasp Knife - How it Works

The Wasp Knife, which the news media has been reporting on recently, is extremely deadly. This is the way it works:

  • in the knife handle, there is a small canister of 24 grams of compressed carbon dioxide (CO2)
  • there is a small tube running from the canister opening to the tip of the Wasp Knife blade
  • when a small button in the handle is pressed, the knife discharges the compressed (and extremely low-temperature) CO2 through the tube at approx 850 psi
  • if something (or someone) is stabbed with the Wasp Knife and the button pressed, a basketball-sized area of their tissues can be instantly frozen (which is very, very deadly)

This might be a useful feature if you're an underwater diver and a great white shark is attacking you - the shark's tissues are snap-frozen, but also the influx of gas can exert upward pressure on the buoyant shark, which will only increase internal pressure as it approaches the surface.

But this sort of weapon can easily get in the wrong hands and be far more deadly than a knife or dagger. The knife is sold for $380 from WASP, usually to hunters, pilots and divers who might run into bears, sharks and other deadly animals.

Understandably, its ready availability has plenty of law enforcement authorities concerned. (See news items about the Wasp Knife at the bottom of this page)

A British friend of mine had this to say:

In the UK, they also worry about Swiss Army Knives, child-grade pepper spray, plastic bb guns and aggressive-looking bananas. :)

This is not much more than a gimmick from a person-person perspective. A human would be unconscious from a severed artery in less than 30 seconds, and dead within minutes. You don't need a $380 turbo-charged, inter-cooled knife for that. If anything, the emphasis on stabbing puts the attacker at greater risk of being disarmed. Knives are far more effective as cutting as opposed to stabbing weapons.

I can see how the Wasp knife might be useful against an attacking wild animal. But it's even better at impressing your mates by blowing up fruit, household objects, bicycle tires...

Wasp Knife Explodes Watermelon

Review of the Wasp Knife

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    • camedmondson profile image

      camedmondson 8 years ago from Hollywood

      Wow, that's scary! Who would have thought the knife would be reinvented? I want one because I hate watermelons.

    • livelonger profile image
      Author

      Jason Menayan 8 years ago from San Francisco

      Thanks Cam. What on earth did watermelons ever do to you?

    • profile image

      Linc2010 8 years ago

      I did not know that this cultural phenomenon of knife gangs existed. Thanks for the heads up!

    • Ren Chin profile image

      Ren Chin 8 years ago

      this is awesome - there should be a wasps-knife-gang in the Warriors2 movie

    • New Day profile image

      New Day 8 years ago from Western United States

      Scary stuff! I've never heard of this knife. We carry only pocket knives at our house.

    • Paraglider profile image

      Dave McClure 8 years ago from Kyle, Scotland

      I'd say that is something that didn't need to be invented and, if you'll pardon me saying so, doesn't need to be publicised in the present social environment.

    • compu-smart profile image

      compu-smart 8 years ago from London UK

      It looks like it does have it's uses!!

      I just hope the pros for its use far outweighs the cons!

    • livelonger profile image
      Author

      Jason Menayan 8 years ago from San Francisco

      Paraglider: I'm just here to provide information about it, not to promote its sale and use.

    • jim10 profile image

      jim10 8 years ago from ma

      I heard about this idea a while ago but their weren't any actually knives using it yet. Now that I see it in action it pretty much seems equal to putting a small grenade or firecracker inside someone. I think you should need a license to carry this. Obviously someone in contact with dangerous animals or in a war should be able to use it. I defintely don't feel safe that anyone with $380 can get one.

    • livelonger profile image
      Author

      Jason Menayan 8 years ago from San Francisco

      A licence is probably an excellent idea since it is a mechanized device.

    • Constant Walker profile image

      Constant Walker 8 years ago from Springfield, Oregon

      I can't imagine why something like this would be sold on the open market... but even if it weren't, the black market would be right there with it.

    • camedmondson profile image

      camedmondson 8 years ago from Hollywood

      I think the good news is, the gun is still king. I also wanted to let you know that I'm making my own prototype for pastry chefs that shoots out a blast of whipped cream. I'm calling it "The Frost".

    • profile image

      Emanuel Nordrum 8 years ago

      That is somewhat... disturbing. Imagine what it might do to the human body - and the knife isn't really distinct from other knives, so you might never know that's what you were being attacked with.

      On the other hand, $380 is fairly steep, especially when a regular knife is more or less free. I doubt we'll see a sudden influx of people using one. But when one pops up, it'll be to really scare the hell out of someone. Or to murder them horribly. One or the other, really.

    • Channy profile image

      Channy 8 years ago from Philippines

      wow, cool knife... but watermelon's don't fight back...

    • FindingForrester profile image

      FindingForrester 8 years ago

      I just read about some kid in England who killed with one of these. Did you read about it? You should add it to your hub.

    • livelonger profile image
      Author

      Jason Menayan 8 years ago from San Francisco

      FindingForrester, I haven't been able to find any report of that. I did read that UK police are worried about it and have alerted people to its dangers. I do have a friend who had something to say about it, and I'm going to add it to my Hub (he's from the UK).

    • Listessa profile image

      Listessa 8 years ago from Your Sub-conscious

      Now THAT's a Knife. crocodile dundee eat your heart out

    • Shadesbreath profile image

      Shadesbreath 8 years ago from California

      I confess to wanting one very badly now. LOL

    • Sally's Trove profile image

      Sherri 8 years ago from Southeastern Pennsylvania

      I really have to wonder about the minds that thought this thing up. I've never had the opportunity to turn a weapon on another person, but I imagine if I did it would be to defend myself, and my weapon would be a threat, and only in the last instance would it be an instrument of death. This thing seems to be an instrument of death first, defense last. Yes, it's good for secret service operatives and bear and shark killers. Bad for victims of low-life criminals. Yuk.

    • stevenschenck profile image

      stevenschenck 8 years ago from Sacramento California

      We had a similar item called a "Shark Stick" about 4 foot pole with co2 dart on the end. I never used one, but the story was that it made a mess out of a large shark. I doubt it is much more dangerous than a plain old knife if you are that close anyway. Great Story, Thanks

    • nisanth mn profile image

      nisanth mn 8 years ago from india

      the irony is, more people are going to die than sharks or bears!!

      any way, wonderful idea!!

      thanx for the information.

    • cgisme profile image

      cgisme 8 years ago from North West England

      I am sorry but it is total nonsense that this knife has been used in the UK.

    • Lidian profile image

      Lidian 8 years ago

      I can't believe I'm admitting this, but I actually thought that this was a clever wasp-killing device!

    • livelonger profile image
      Author

      Jason Menayan 8 years ago from San Francisco

      I might be in for one of those, Lidian! (Actually, maybe its cousin, the Mosquito Knife)

    • xrated profile image

      xrated 8 years ago

      Good. I have one.

    • profile image

      degg 8 years ago

      If you're concerned about this thing you'd better go protest you local hardware store too. I hear people can by *hammers* and *screwdrivers* there! That sort of thing could kill somebody too. Worry more about why someone would want to turn it on another person than about it's existence. Given the desire to cause harm almost anything can be a weapon, and a lot of mundane objects will ruin your day just as, if not more readily, than a gimmicky $400 knife.

    • topstuff profile image

      topstuff 8 years ago

      More weapons=Less deaths

    • budwood profile image

      budwood 8 years ago from Southern Nevada

      Yeah, TopStuff.  You're probably right - - except for the delay of everyone getting a suitable weapon.  The old standby, the six shooter that tamed the west, is still by far the best.

      . . . And, as you know, an armed society is a polite society.

    • profile image

      Ricardovitz 8 years ago

      Have all of you Brits had your balls cut off? COME ON!!! This knife is friggin cool. I'm probably going to get one (yes I'm from the US). Are you really telling me that if they were as legal as butter knives in your country you wouldn't get one? Sure you would!

      Don't you Brits still have any hunting instinct in you? Does the Brit government put some kind of testical-shrinking, anti-testosterone acid in your water? Unless y'all grow some balls and realize that 95% of the world would love to cut your heads off and serve them for dinner to starving Africans, y'all are doomed.

      We have not evolved into a non-violent species and we won't in the next 1000 years. You better wise up and think about what CAN happen. Because whatever CAN happen, will.

    • profile image

      HammyTime 8 years ago

      Anyone who is afraid of this knife should reprioritize their list of dangerous objects. Thousands die in cars, from falls, accidental poisonings...hell, you even have a better chance of being struck by lightening than killed with this thing. It would be good for bear or shark attacks I suppose, though I am no expert, but it is definitely overkill for a person. Anyone who has you at enough of a disadvantage that they can plunge a seven inch blade into your body cavity doesn't need any help killing you. Also, 38 states in the US allow for legal concealed carry of a firearm. The first rule of gunfighting is...BRING A GUN! You can have your knife/bicycle pump, I'll take my snubby. I WILL say, however, that it is cool as heck!

    • profile image

      Riley 8 years ago

      so many of these comments are stupid. like do you need a license to operate one, or how you can't distinguish a wasp from another knife. to you retards. getting stabbed with ANY knife is not worth it. you're like, oh my Gosh! not a wasp knife!

    • profile image

      Ricardovitz 8 years ago

      The Wasp Knife is a bad-ass knife. Here's some thoughts fer y'all:

      Turn it into a flame injection knife - use propane canister instead of CO2

      Snake Bite knife - if stabbin and air injecting ain't enough fer ya, then put some Snake Poison in that thar knife - or come up with yer own concoction.

    • profile image

      Ricardovitz 7 years ago

      Hey Riley, get a life!!! This here Wasp Injection knife will rip you a new one. It ain't jest a knife - it's a leathal death delivery system. I would have named it LDDS, but I reckon them Mormons might have sued me over it.

      Anywhoo, I'm tellin ya that if you swap out that CO2 canister fer a propane canister and hook up BBQ ignition system - it'll stab you AND BBQ yer guts all at the same time!! Fun fer the whole family, boys and girls. Yessiree.

    • profile image

      S. Wood 7 years ago

      That's an awesome weapon. Especially if you're in bear country where you can't carry your concealed weapon due to the liberal mentality that's so prevalent in this country. Last I checked, if someone wants to kill you, they can still use a tire iron. Maybe they should be licensed too!!!

    • profile image

      J. Gingle 7 years ago

      That knife scares me. It should be banned. No one needs a knife like that and only a terrorist or criminal would want one.

      The United Kingdom has the right idea - don't let these killing machines in the hands of ordinary citizens. I could see a teenager stabbing an old lady in the gut with one of those, pressing that button and then blowing her all to hell.

    • profile image

      Scaredybrit 7 years ago

      This knife is a killing weapon. Its like a steel penis, ready to thrust into and destroy anything and everything. You men and your disgusting macho bullshit.

    • profile image

      franki79 7 years ago

      OHHHH YOU'RE HUB MY LANGUAGE!!! Have no idea why but have always loved and been facinatinated by knives,,, I think I just take after my mom, but on a grander scale. Lol.

      She likes the collectors knives esspecially Harley Davidson,,, I do too but I also love all kinds of other knives,,, In fact if you wanted to get me a Christmas present,, I wouldn't mind that first knife. LMAO!

      Wait,,, bad idea,,, my boyfriend would take one look at it and be drooling and about ready to cream himself,,, lol.

    • profile image

      olive 7 years ago

      hi i think that they are dangrous

    • KillerKendra profile image

      KillerKendra 7 years ago

      I think you canfind it out on google

    • profile image

      Gina 7 years ago

      I really want to see more videos of the Wasp stabbing and blowing up other kinds of fruit and stuff.

    • kschang profile image

      kschang 7 years ago from San Francisco, CA, USA

      IMHO, it's a gimmick, nothing more. You'd be too ****ing busy flashing and blocking to push the trigger.

      Most knife fights inflict damage through slashes, not stabs. Stabs are only used as finishing moves, and by then the enemy's just about dead (or you're dead). This is like one of those Mortal Kombat "fatality" moves: all flash, little substance.

      Russian Spetnatz commandos used to do thrown axes and spring-loaded knives for silent takedowns. When they cross-trained with Americans, Americans just sake their head, pull out a silenced weapon (like the Hush-puppy since Vietnam War) and shoot the target in the head. It's like that scene from Indiana Jones.

    • profile image

      Winston 6 years ago

      Um, I hate to break it to you but this knife isn't real. I tried to buy the knife from their website and paid for priority mail, which is supposed to take 2-3 days. They charged my credit card, I waited for weeks and received nothing. I called and left messages (nobody ever answered) and e-mailed to see what the status of my order was. Never received an answer. So I called the CC and had them open a fraud investigation and cancel the charge.

    • profile image

      DarkOne 6 years ago

      It seems that everyone has forgotten one key fact knives don't kill people,people kill people. This knife is an excellent product,if used properly. Oh by the way I love watermelons. Lol

    • profile image

      fasteddie 6 years ago

      You can get similar results using a CO2 wine bottle opener for about $25.00. Granted it is an ice pick style, but it is more concealable and one tenth the price. Think about it.

    • profile image

      tyson 6 years ago

      hey i think this is clear bulshit this knife is indeed more dangerouse than other knifes becouse of the fact that 1 knife stab can easily kill you, but 1 stab from anny knife can easily kil you!

      this knife is more useful to kil bears couse 1 stab from a normal knife wil most likely don't damage the bear more than what he wil do to you afther that.

      if you want to kil a human use the 400 dollar to buy a gun ? or a normal knife it will not be much harder ( with a gun even more easy ) and you will will save some money :)

    • profile image

      DarkOne 6 years ago

      Honestly why blame the knife. That is like blaming the bee for stinging you. Its not the bees fault its your fault for encroaching on its territory. What I am trying to say don't piss of the hand that holds the knife

    • bladeguy profile image

      bladeguy 6 years ago

      Wow, interesting knife concept. Whether or not it's deadlier or not than other knives takes a back seat for me. I still think I'd not like to be on the receiving end of any, no matter the high-tech design. Thanks for the info!

    • profile image

      Ricardovitz 6 years ago

      Dern't know 'bout any problem gettin that thar Wasp Knife. I git me one. Yep, it took 'em a dern long time to git it to me....but I finally got it. I can tell y'all a few things:

      1. It's a dern nice lookin knife - goodly made too!

      2. It works - done tried it out on some cantalopes - blowed 'em all ta hell!

      3. Takes these here folks too long ta git you yer knife, but I finally got mine. Maybe they is having some technicol dificulties

    • profile image

      Geoburn 6 years ago

      I imagine its a guaranteed kill weapon once you push that button anywhere in the body cavity,More than any other knife or even a gun,That's the scary part, the wife might stab or shoot you in a fit of rage then take you to the ER,but once she pushes that button you're nfg, Women who needs 'em

    • profile image

      Lewis 6 years ago

      Use this knife against bears...really? I don't know what kind of fantasy world the designers of this knife live in but if a bear is close enough to stab with this(or any knife) chances are your skull has already been crushed in by a massive bear paw

    • profile image

      Jabba-Joe 6 years ago

      Dude, that's a sick knife! Looks more like it was designed to kill people, not bears. Just saying.

    • profile image

      lrc125 6 years ago

      Just watched a show that had this knife. This is a divers knife used to help fend off large fish (ie sharks) Very Cool!

    • profile image

      Sauts 6 years ago

      This knife would be useless against a shark. First of all its hard to stab underwater, the motion is a slow one at best. A shark will attack in a split second if he desires too.

    • profile image

      Ricardovitz 5 years ago

      That thar tain't no Wasp Injection kinfe - the second knife that feller is demonstrating. Nosiree, that's jest some no-good flea-market chink-made knife. Dime a dozen 'round here. I reckon them English folk cain't have no real knife or guns or whatnot, so this boy think he's a bad dude with that good-fer-nothin toothpick.

    • profile image

      Chris 5 years ago

      Come on are you that dumb? We have gang bangers running around with AK47's and you are staying this is scary! This is a great invention for self defense in the wild. But as always you never bring a knife to a gun fight!

    • profile image

      Ricardovitz 5 years ago

      If y'all wanna see this here Wasp knife really preform, then git them small camping propane canisters 'n screw 'em onto that knife blade - then press that thar button, light the tip afire and watch it shoot out a flameball!!!!

    • profile image

      savannahsexxygirl 5 years ago

      I think i am going to get that knife for a guy i like

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