Nine Circles Martial Arts Supplier - 

https://www.ninecircles.co.uk/

‚ÄčSoi-Zen, made to measure Martial Arts garments -

http://www.soi-zen.com/en/

BBC Way of the Warrior Japanese Swordsmanship  Documentary -

https://youtu.be/W5N8ny4REGU

Zen Mind, The Beginner's Mind Audiobook -

https://youtu.be/jioLn60colc

Zen Practices and Principles, Enhanced Version -

https://youtu.be/CfR_ZkRQz3Q

Miyamoto Musashi Documentary -

https://youtu.be/oi4GB7XEcVg

Samurai Spirit Iaido -

https://youtu.be/olp2rn5x7P0

The Samurai Sword, Making of a Legend -

https://youtu.be/-t-oZ6X1sho