PVC Pool Cover Roller - no instructions but you can clearly see how it's done. The roller bit is just smaller size pvc pipe slid through larger gauge T couplings so when you turn the handle it spins. Why buy when you can make?
Hidden Doors What could be cooler than having a door that’s completely concealed when it’s closed? One so secret that until you open it, no one else even knows it exists. Hidden doors are typically attached to large bookshelves but can be found behind other seemingly ordinary things, too, like life size pieces of art.