Later, when crowds at regular intervals and would play with the head with the elbow, shoulder and knee posture, there is increased difficulty, and beautiful.
Later on the expertise and escape the monotony. It has to start with the head, knees, elbows, shoulders have been added to the difficult and beautiful posture, respectively.
And it came to pass, when what skills and escape from the grid, Would have to start playing with the head, knee and elbow, shoulder, the more difficult and more beautiful posture, respectively.