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The Moss Key Pin is a pin in Club Penguin Rewritten. It is hidden in the Underwater room.
This pin is required in order to enter the Underwater Room from the Hidden Lake. In order to access the Underwater Room, the player must follow the Giant Squid on the first underwater level of Puffle Rescue. It will lead the player to a hidden entrance, and from there, they can obtain the pin.
||February 11, 2017