They want the tradition to continue, but they should also record everything: get experts and record them from multiple angles, record demonstrations, etc... With image/video => 3d, and AI to recreate the system of fighting, it would be 'saved' for the future.

Sounds interesting, and was only able to find one video showing it in a quick search on YouTube:

https://www.youtube.com/watch?v=7_YoaP0cHpQ