So, every now and then, I like to search YouTube using kanji/kana instead of English, just to see what I might otherwise be missing out on. Since I don't speak/read Japanese, except for a few words/phrases, I'm pretty limited when it comes to making use of Japanese material, but Google Translate does help. Over the weekend, I searched for ナイハンチ, which is the katakana for Naihanchi, and I came across this hidden gem:
This forum is dedicated to an exchange of ideas relating to the practical application of Okinawan and Japanese kata. Increase
your understanding of kata whilst helping others to do the same.