Here are all the links to the videos that accompany the freelensing{unlocked} guide.  You will still 

need the password from your guide to view them.

You can view them all together here:


Or watch them one by one - - freelensing with Nikon gear (50mm and 85mm) - macro freelensing tutorial - Sensor cleaning tutorial - freelensing with a Canon 50mm and Nikon 50mm - hacking a Nikon 85mm lens for freelensing - talking about the Nikon 50 1.8 D and hacking tutorial