Has anyone tried this? I ran into this video on youtube, and it seems like a pretty cool idea. She also mentions that this is popular among young japanese people.
http://www.youtube.com/watch?v=88xyLqGCN20&feature=g-vrec [1]
Links:
[1] http://www.youtube.com/watch?v=88xyLqGCN20&feature=g-vrec