These day’s I was working at a new material that I’ll publish soon on this blog, and I’ve found this interesting office chair. As you can see from the pictures at a first glance this might look like an usual chair but in fact he is a little bit different, and can be used not just at office. If you look at these pictures you’ll see other uses of this chair. If you want to see a video with this chair in action you can check the , and maybe you’ll buy one, the price is $239.