Extra Armor (ミラーアーマー Mirāāmā?, lit. "Mirror Armor") is an item in Tails Adventure.
Location
The Extra Armor can be found in Volcanic Tunnel after defeating the Mecha Golem.
Functionality
The Extra Armor is an item that can be equipped to Tails' Sea Fox submarine. When used, the Extra Armor helps Tails become immune to most damage-causing hazards for an infinite amount of time. It can also destroy enemies.