I have a similar chair but with dual mounted "Atdec Visidec VF-AT-NBC Notebook Arm and Monitor Arm Pole Mount Combination"

http://www.amazon.com/gp/product/B0044DHU0M/ref=wms_ohs_prod...

https://dl.dropboxusercontent.com/u/10557283/CAM00161.jpg https://dl.dropboxusercontent.com/u/10557283/CAM00164.jpg https://dl.dropboxusercontent.com/u/10557283/CAM00165.jpg