フックの腕の角度は基本90度

I’m Kumakaicho, founder of Nihonichi-Yurui Kickboxing LLC. With 20+ years in boxing and kickboxing, I run Fitnessbbb, a gym where beginners to seniors can enjoy learning. Following the “Tsuyouma” philosophy (“Get skilled, not just strong”), I teach the joy of improving through technique, not strength. Also sharing tips on Instagram and YouTube.