Ring wearable cover with non-deformable circumference

A removable cover for a wearable ring device, comprising:

• a ring-shaped surface that faces an outer curved surface of the wearable ring device when the removable cover is in a mounted state on the wearable ring device;
• and
• one or more cavities disposed within the ring-shaped surface, wherein the one or more cavities extend only partially through a thickness of the removable cover, wherein the one or more cavities are configured to receive and engage one or more protrusions extending from the outer curved surface of the wearable ring device to lock the removable cover onto the wearable ring device in the mounted state.

A removable cover for a wearable ring device, comprising:

• a ring-shaped surface that faces an outer curved surface of the wearable ring device when the removable cover is in a mounted state on the wearable ring device;
• and
• one or more holes disposed within the ring-shaped surface, wherein the one or more holes extend fully through a thickness of the removable cover, wherein the one or more holes are configured to receive and engage one or more protrusions extending from the outer curved surface of the wearable ring device to lock the removable cover onto the wearable ring device in the mounted state.