Eminence Cuff
From Inkipedia, the Splatoon wiki
The Eminence Cuff is headgear in the Splatoon series.
It is a 3-star item produced by Enperry and comes with the primary ability Ink Saver (Main). It is only available as a CoroCoro Comic promotion in Japan. It cannot be ordered from another player.
Appearance
The Eminence Cuff is a golden ear cuff that goes on the player's left ear. It is engraved with the Enperry logo.
Splatoon 2
Abilities
The Eminence Cuff comes with Ink Saver (Main) as the primary ability. As a 3-star item, the Eminence Cuff comes with three additional slots for secondary abilities. Since it is made by the Enperry gear brand, it has a higher chance of rolling Sub Power Up and a lower chance of rolling Ink Resistance Up to fill its secondary ability slots.