A Quinque in Ghoul://Re is a special type of weapon that can only be used by humans as a part of the Commission of Counter Ghoul. This unique weapon is crafted by Kagune, the limbs that Ghouls use ...

As part of the Commision of Counter Ghoul (CCG) association, having a Quinque in Ghoul://Re is rather important. Every member of the CCG carries this weapon to protect themselves from the Ghouls.