How to convert your phone into a dual sim phone.

I found this video on Youtube today and I was intrigued by this little piece of gadget called Dousim adapter and I wonder if it is available in the local electronics shop or the nearby cellphone accessories shop. I better scour for this soon if I have a chance then maybe I'd find it. I think it is china made though but anyhow this small peice of gadget can be a very innovative way of having a dual sim phone without having to whip out some large amount of cash. So here's the video. Take a look!