I have a huge sliding glass door in my home theater, and I have shutter blinds, but they let so much light in. I want it completely dark, but something I can remove very easily and stow. I have a great view into a forest so Id like to be able to remove them very easily. Something more I put up when im watching a movie. And the blinds have to stay up. Theres a good 5 inch gap between the window and the blinds.