The Egg Clam is an Egg Mobile with a blaster and large clam shells.
Features and abilities
The Egg Clam keeps the same abilities of the Egg Mobile. However, its design gives it greater defense against attacks.
Shattered World Crisis
Seeking who has taken over his refinery, Dr. Eggman used the Egg Clam to traverse Eggmanland with Metal Sonic. When they found the culprits, who were the Naugus Twins and their Witchcarters, the Egg Clam's shells got torn apart in the ensuing fight with the invaders, forced Eggman to retreat in what was left of it.