Air Necklace (Archie)

The Air Necklace is an item in the Archie's Sonic the Hedgehog comic book series and it's spin offs.

Appearance
It's first and so far only appearance was in Sonic Universe # 60, where Rouge the Bat used it to protect herself from the gas attack of the Black Arms.

Trivia

 * In Sonic Adventure 2, the Air Necklace is useable only by Knuckles, and not Rouge.