Go real easy dude, use some of these.
http://www.google.com/images?rlz=1T4GPC ... =en&tab=wi
instead of pinning it on the top side like a car hood, flip it and pin it underneath
http://www.google.com/images?rlz=1T4GPC ... =en&tab=wi
instead of pinning it on the top side like a car hood, flip it and pin it underneath