"BINAURAL" MICROPHONES DO NOT EXIST

[F.O.Bean]

I've been thinking of making one that has a secret compartment inside the head to stash a recorder. Let's see security figure that out.  Especially if I affix it to a blow-up doll and buy her a seat and some drinks.

Buy a blow-up man, they'll probably ask less questions.

[Gutbucket]

you need the foam head like Moke has right?

This is the foam head I prefer when using the binaural technique:

Good call!