Deadly new knife freezes victims' organs

Jam it into the inventors guts and see how they feel!!!!

Why do people continue to blame violence on the ready availability of weapons? If it wasn't knives or guns it would be sticks & stones. It's simple really, you don't want to get stabbed or shot in a gang fight, DON'T JOIN A DAMN GANG!!! And Chloe "real men don't need weapons" from the Gold Coast, if it wasn't for real men with weapons we'd all either be speaking German or Japanese at the moment. Lets see if you think that way the next time you need the police.

This has to be the most sadistic instrument I have ever seen. The authorities need to shut this down immediately. We have enough violent instruments on our streets now !!!!!! Come on everyone help destroy this before it destroys someone you love. Only a criminally insane person would want it & guess what ? they will !!

OMG!!! Can't help but marvel at ingenuity of this thing but used for killing Bears and Sharks.. please! Why not just try and avoid them and if you do happen to come across one remember you are in their environment anyway.. Surely this has got to be classified as a handgun! It does only shoot gas...fair enough, but it is certainly not your normal knife..

REAL men don't need weapons, ask any woman. Love Chloe xo

Damn those Americans are really really dumb! Why on earth would you need this knife?? if you get that close to a bear or shark, to need this, then maybe you need more than just this. How could the inventor not have the foresight to not know Criminals the world over would be doing everything in their power to get their hands on this weapon??? D**Head! I agree with Dean from Vic... ban this in the USA from being manufactured before everyone has one.

worst of all inventions.i agree with dean

Just what we need, whoever wants one of these are a real asset to society. Perhaps they could try it out on themselves first and then tell us what it feels like.

So that's fairly terrifying

Who on earth would design let alone make such an objectionable weapon?? Have they no intelligence, foresight or conscience?? Good luck stopping the spread of them, there will always be sick and greedy people who will want something like this. The only chance is to bring in zero tolerance laws against this and other weapons, and be prepared to enforce them. God help us as a society because we are definitely not helping ourselves by releasing something like this into our midst.