B Yoshida Tapes

Does anyone have these? What is your opinion of them?
Also do you know of any other tapes that specialize in the triangle/armbar set-ups?

Barte is amazing. Get them!

Baret is Barte's evil twin!

Chief Wiggum: What about your tattoo that says "Die, Bart, Die!"

Sideshow Bob: Actually, that's German for "The Bart, The"