Designed a hat mount for vufine, as I don't really want to pay $30 for theirs. Had some of these stainless binding posts lying around, and they're small enough to be suitable fasteners for this.Also there is a mount for mobiband bluetooth headphones instead of a hat.
Technical
Vitamins: Stainless Steel Lo profile binding post. http://www.mcmaster.com/#94887a136/=11t3hxo