We've seen barn doors everywhere, but this application as a window covering is especially interesting and practical. It is performing double duty: a beautiful window treatment by day, that makes for a stunning headboard by night!
"Aiming for a coastal bedroom decor? Paddles emphasize the sea/beach theme and make for great wall decorations. Different size paddles can also be arranged and used as a headboard in a coastal bedroom." Other headboard ideas at the link.