Phone mount stabilizer

I have a stem that I use for my phone docks like the one I made for the iphone 5. It bolts to the passenger seat mount. This is the one I have:
http://www.amazon.com/Arkon-SR088-S-Flexible-Gooseneck-Satellite/dp/B000EHYAJ6
I use this clamp and use double sided tape to fix to the car console.