Hey, remember this guy? https://www.deviantart.com/fantasytapout/art/Weapons-won-t-help-you-Commission-979981289
The problem with chainmail like that is it doesn't protect you from... that sort of attack. It's meant to foil blades and arrows, not kicks to the nuts. Knowing that it was only weighing him down, the next time he found himself at odds with Katarina, he had an idea.
It didn't help.