Zoot Chute

The Zoot Chute is a secret door on the Floating Island that leads to the Chaos Chamber. The guardians of the Brotherhood go down there to protect the remaining Choas Emeralds. Evil Sonic and Evil Knuckles were once down there, coming through a portal from Moebius, the evil Mobius. They attempted to steal the Chaos Emeralds, Evil Sonic calling Knukles a "theif.