This was a very fun piece to do! It was commissioned by the oh-so hilarious phsyco2 on Furaffinity http://www.furaffinity.net/user/phsyco2!
He wanted a Turian and Salarian doctor to be looking through glass observing their Quarian patient (Phsyco's OC) as he writhes around trying to escape!
Check out my process! http://drawwithlaura.tumblr.com/post/43354846396/my-process-for-this-image-furaffinity
Furaffinity: http://www.furaffinity.net/view/9949523/
DeviantArt: http://drawwithlaura.deviantart.com/art/Commish-Tethered-Down-354926348?ga\_submit\_new=10%253A1361146444