I use a ProClip for my car. I have one of their more universal ones thats adjustable, it fit my iPhone 5, my Lumia 900 and Galaxy Note. So I assume it will fit my 920 when it comes in.
It looks like this one here: http://www.proclipusa.com/image.aspx/media/images/products/devicecradle/875214.jpg-350x350