I don't even know where to start on this one. I mean the show is very cool, but not quite what I thought it would be like considering it has a lot of perversion to it, but it's only on the third episode and here's some tie-in merch. Then there's the fact that it's a letter opener... why would you need such an extravagant letter opener? Why not just sell it as a mini-prop? I don't know... just watch the show. Source