Decided to post a video of me measuring my nine-incher for the masses (not as easy of a task staying hard for a measuring video as one might think, so I hope you appreciate). It's my first video too, so be gentle.
http://www.lpsg.org/gallery/showphoto.php/photo/89676/cat/500/ppuser/112197
http://www.lpsg.org/gallery/showphoto.php/photo/89676/cat/500/ppuser/112197