Allow it to smile. Allow the hips to go back. Allow the knees to forward and away from each other. Allow the head to lengthen away from the hips. With your head leading, allow your hips to soften even more until you are slowly drawn to the floor on all fours.
Hips are lower than most people think.
To find them, a line can be drawn straght across from the pubic bone. Be aware that this activity is for the ideal human body. Slight, subtle variations may be accepted based on the physiological makeup of the student. This activity can be adapted for other populations.