Demo's and workshops
 

From his arrival in the Netherlands Hotsumi has given demonstrations and workshops. He has given demonstrations in most European countries for a couple of times now. He can also be seen outside of Europe. For example in America, Taiwan and even the Philippines, where he is asked to give demonstrations and workshops.
At its demonstrations there are always many spectators . For this reason you see him regularly on large exhibitions where the many spectators, at the beginning of a demonstration, are involved in the decisions concerning the eventual style and the design.