Atmanshanti demonstrates advanced variations of Yoga Mudrasana. For inspiration - and to try it out. You need to have very flexible hips before you try it out. Caution: Trying it without proper guidance can injure your knees. Yoga Mudrasana is a preparation for Pratyahara, control of the senses. More infos http://www.yoga-vidya.de/Asana_Uebungsplaene/Yogamudra.html