Inveresk, thanks for your suggestion!
We chose a 1/4-20 screw mount to conform with tripods. However, it is such a standard mounting option, that you can get an adapter to 1/4-20 for just about anything.
Here is a short link for an adapter for a microphone stand. It is metal, and $10...
Hi all, this is Aaron, from the team producing the ArchMount. Thanks for all your interest! I am attaching a couple of pictures to clarify the construction and use of the ArchMount with the iPad.
Regarding shooting in portrait:
Keylight essentially has it correct -- with a couple of...