To follow Antony Cummins
https://www.facebook.com/pages/Antony-Cummins/148767965177322?fref=ts
To read a real ninja manual
http://www.amazon.com/Antony-Cummins/e/B00AKFOIA8/ref=sr_tc_2_0?qid=1379904266&sr=8-2-ent

The original Christa video
http://www.youtube.com/watch?v=nAL8eMd51GQ