Evolving Ninjutsu to stay relevant, while still studying the ancient ways is one of the primary missions of The Dojo in Cincinnati, Ohio.

For Training visit:
http://www.thedojoinc.com/

For Dojo DVD's go to:
https://www.ebay.com/sch/thedojomartialarts/m.html?item=263991596546&hash=item3d77201602%3Ag%3AE1YAAOSws29btQ9u%3Ark%3A1%3Apf%3A0&rt=nc&_trksid=p2047675.l2562