So he made his legs hyperflexible and stronger (possibly more than just his legs) to avoid heel hooks and tied his arms so they cant be grabbed and be either twisted, or used for positioning.
Bruh
no idea what this means for his knees because i doubt ballerinas can twist those around without getting injured, an what to do for getting choked out from his neck because he has no arms to defend that.
The obvious move for hobin would be a taekwondo kick, but i have a feeling it's gonna be something completely out of the box.