Spoilered for size (Click to show)
Unfortunately, I do not know his handle here in headfi. We have a small regional audiophile group where he moonlights as a cable guy. Recently, he's done some good work (subjective) for me.
Below, the mannequin heads made of fiber glass, were also done by the same guy. We call him Arbi.
Here - DT1350 opened back cups. They sound fantastic.
I hadn't noticed this earlier, hot damn!