Skills from the translations of Iga and Koga Ninjutsu scrolls brought to you through 'Iga and Koga Ninja Skills'
By Antony Cummins & Yoshie Minami
http://www.amazon.com/Iga-Koka-Ninja-Skills-Chikamatsu/dp/075095664X/ref=sr_1_fkmr1_1?ie=UTF8&qid=1465263896&sr=8-1-fkmr1&keywords=iga+koga+ninja+skills
Authentic mixes, authentic methods.
Authentic (safe) test.
For involvement with Natori-ryu / Natori-Ryu California branch. see links below!
https://www.facebook.com/groups/409017382568561/?ref=bookmarks
https://www.facebook.com/groups/496185720469298/