Recently I used my home made binaural microphone to record the sound of plucking a spring that I was holding in my teeth. The sound was resonating in my nicely in my skull so I imagined that the best way to record it would be to insert microphone capsules into my ears.
The results weren’t bad, but not exactly what I thought they might be (you never know until you try). Anyway, here’s a segment of that recording in case your curiosity has been piqued.