これを見てください!http://www.google.com/imgres?imgurl=http://nano-t.c.blog.so-net.ne.jp/_images/blog/_1c8/nano-t/y-c1.jpg%253Fc%253Da1&imgrefurl=http://nano-t.blog.so-net.ne.jp/2012-10-06&h=304&w=457&tbnid=KuAdIu_9FqrPlM:&zoom=1&q=%E7%8C%AB%E7%BC%B6&docid=KIcMQiPmDo0IrM&hl=ja&ei=6Ag0U-DWKonEkwXN24HgBQ&tbm=isch