Crowbar

The crowbar is a metal melee weapon found by Saya Takagi in the Arts and Crafts classroom and used by Takashi Komuro for a brief time at Rika Minami's house.

Overview
"'It is what it is.' That sounds like it could be a movie title or something." -Daisuke Sato

A simple tool used in removing nails, prying apart boards, and generally breaking things. also can be used as a weapon since it is made of steel.