Cutlasses

Cutlasses are daggers. They have a 10% chance of inflicting the Mollified debuff on targets when used by either Noctis or Ignis.

Source
Cutlasses can be purchased from Culless Munitions at the Coernix Station - Cauthess and the Wiz Chocobo Post for 300 gil. They can be sold back to shops for 150 gil.