I'm Joan, Bri Bard and I'm here at [inaudible] any time and I am introducing to you ty four and it's newer design tie for x because people doing polarities and others who will want to do Palazzo days at this point in time. Some people need assistance to really experience the depth of this work. Other people probably want a challenge. They've been doing it a long time and maybe this is another avenue to go deeper. So we're, wherever you are, you can personalize this, you can explore it, and you can start to feel these complex movements and really benefit from them.