User blog comment:Maki Kuronami/Lesson 26: UNDERGROUND CRIMES IN UNDERGROUND CITY/@comment-25110963-20141010020232/@comment-25110963-20141010024544

This is actually the first time in the show I've seen a practical non-weapon item turn into a weapon. Canes don't count as there are weaponized canes. It's quite unique, a thermos as a weapon.