Raise wa Tanin ga Ii - Episode 11 - Yoshino Swings Bat at Kirishima Shouma

Kirishima and Shouma provoked the other, but Yoshino brought an aluminum bat to show them who the boss was.

Yoshino doesn't care if yakuza kids hold knives if she can swing a metal club at them. She can't hit them, but they'll know she's serious about breaking up a fight.