I have a friend with one and she loves it, clips it to her bra and you can't tell it's there.

I wish I knew more about them, though, am considering getting my dad one for Christmas. I'll be watching this thread
Modified CG since Dec 2011
Growing out super short cut

High porosity, fine, unknown curl type, somewhere in the 2s at the moment
Mostly low poo
Current rotation includes:
Wash: Yes To Carrots -Condition: Yes to Cucumber, Nature's Gate Jojoba, One C - Stylers: Deva volumizing foam, Deva UDG B'Leave In, Foxy Curls Hi-Def Curl spray