[quote=@harinezumikouken]
<Snipped quote by AtomicNut>

Well, how would that kill the victim? It'd definitely blind them but there are no major arteries that I can think of. Unless you push through to pierce the eye socket and then to the brain..
[/quote]

That is the idea behind the snapping. 

But it'd be extremely cruel (like Vlad the impaler sort) to do this to someone just to make them scream to discourage their peers.