Here's a link to Nick's website if you'd like to check out some of his work:
Here's the pic Nick posted:
I immediately recognized the ear loop as something I had seen before, possibly at work. It looked like the back of a hands free phone set.
Thank goodness for Amazon.com, because after skimming through 9 pages of their head sets I found the one that looked right. Here's a comparison picture showing the Plantronics M220 headset compared to Nick's hero prop:
Clearly, there's no mistaking that this is the right piece. If you want to order one for yourself, so that you can build up your own headset, they are five bucks on amazon. Here's the link: