Why would a criminal use an extremely expensive knife when he could get comparable results with a far less expensive alternative.

And address the fact that (generally) people have more then one lung.

Take a biology lesson.

You don’t seem to understand how to take someone out quietly. Stabbing someone in the lung and injecting them with a basketballs worth of gas would be far from quiet. Slitting someones throat would be a more silent way to kill someone and that doesn’t require a £200 knife.

If there’s a shark close enough to you that you can use a knife, you don’t have time to draw it, and if you knew it was coming, you’d use the bangstick before reaching for this little thing.

Er… 15 years for what exactly – murder?
Those convicted for any serious violent offence get an automatic 33% reduction in sentence JUST FOR ADMITTING THE OFFENCE! 15 years – don’t make me laugh!
I am old enough to remember the abolition of capital punishment. At that time the government promised that a life sentence would mean life. Then the bleeding heart liberals started to whinge about rehabilitation. Now the aspect of punishment is forgotten and perpetrators have more rights than the victims. That’s why we have the violent society we have now. There is no fear of authority any more. That is the root cause, and the quicker the public here in UK scream for retribution the better!

As to the british invading, we don’t have to really worry about that now do we, you don’t have any guns.

But seriously, the right to bear arms is not to protect from foreign invaders, its to prevent our own government from seizing too much power. As well it is a guarantee that the citizens of the US will have the right to defend them selves.

The moment you limit the means to defense, is the moment you limit the right to defense.

In all honestly, this is not going to be the weapon of choice for would be mass murderers, the knife uses the ENTIRE canister of gas after each use, requiring replacement before another charge can be used.

And honestly, the worry and fear over this is not unlike the worry and fear people have towards those huge 50 caliber hunting revolvers, to date none have been documented to have been used in a criminal attack. Why? because they are ridiculously expensive for one thing, and second they are usually completely unwieldy for such a task.

Lets apply that to this knife, it costs 350+ dollars, it has to reloaded after each charge. Why would a criminal go to such lengths to get a minor advantage when he could just as easily kill someone with a box cutter, or a hammer for that matter.

And personally, I would much rather be shot then stabbed.