After a handful of rounds with my Innova backpack I have a love hate relationship growing. I love the size, the pockets, and disc space, however I am hating how the support is not keeping the bag sturdy and upright. One side of the bag has started to become somewhat lopsided. The support sides that come with the 'pack are just not sturdy enough. My guess is I can get some corrugated plastic to cut and place on the sides to give the bag the extra support it needs. Has anyone else done this and has it made a difference?