See this? Yeah, I use it.
No, I don't have OCD, I bought it because I had to sort through files at work that had mouse poo all over them.
I'm with CC on this, so many people have something to say about it when they see it in your handbag, but they ALLLLL wanna use it. Get your own!
I also find it handy when I'm off my face on acid and I've just been on the zombie train: