Balancing a spinning top on a katana

*badassery intensifies*

Do it without the top spinning.

"While you were reading this comment, I was studying the blade!'

That's gotta be one dull katana. That'd only work if it had a flattened edge cause with a real sharpened one any microscopic oscillation of the pin would have that top slipping off. Still cool and tough but give him a sharp blade and his chances of succeeding just dropped to near nil.

He later gave the blade to beatrix kiddo

This is how the anime main characters trained