Clinic Key

The Clinic Key (診療所のカギ Shinryousho no Kagi) is an item obtained in the Labyrinth.
== Appearance ==
The Clinic Key is mostly pale in colour. Its tab appears to be separate into two segments by way of a tan line running across the middle.
== Collection ==
The Clinic Key is collected from Dr. Gero in the Labyrinth Camp. He asks Quote to get him the Cure-All, found in the Clinic Ruins above the Camp. Before Quote leaves after talking to Doctor Gero, he gives Quote the Clinic Key to get inside.
== Function ==
The Clinic Key is used to unlock the door to the Clinic Ruins, which does not allow Quote access beforehand. Afterwards, it remains in the player's inventory and no longer has any use.
== Trivia ==
* In Cave Story 3D, the head of the Key looks like a frog, most likely refering to Doctor Gero and Nurse Hasumi species.