It is one out of the two. It resembles a bass clef, a foetus, a number nine, and half of the heart. It belongs to nine of the bodily doors. It is a highly erogenous zone when touched, but also sensitive for healing therapy. It receives the feeling of sounds, which makes us complete.

The Stranglers - Aural Sculpture Manifesto:
youtu.be/y_zHNOw0eAA
youtu.be/4xKQl1s9NwA

No ears were hurt while shooting this. A camera remote controlled with a smart phone app was very helpful.

Update February 26, 2019: A broken Soundcloud link replaced with freshly discovered Stranglers Youtube videos.