I used a piano hinge to attach the, now roll-able unit to a metal stud . A word of caution, There is not a lot of meat to screw into along the bottom edge of the unit(3/4 of an inch)from the face, so be careful.
Jules Yap started IKEAHackers.net in 2006 as a personal blog to showcase the most impressive IKEA hacks from all over the world. Since then, she has learned a lot more about power tools and DIY. Her site has helped thousands modify IKEA furniture with step-by-step tutorials, craft projects and home styling.