AIR SHODOU is a new sensational "art physical computing" which you can write calligraphy in the air.
You write calligraphy by using your palm not using ink.
You feel the sensation of writing by using a whole body.
You have a new experience with writing with using your whole body although it is difficult or interesting to write.
The more your right hand move away from your hip, the more you can write a heavy line.
You have to keep difficult position for writing what you want to write.
You may sweat a lot, writing just one letter.