As others have said, window blinds ok (along with blackout curtains), door blinds break. Your best bet is to replace it with something unbreakable like a curtain, or to replace the door with one more solid. French doors leading to a deck can really be a problem
My upstairs was a rental since I was about 3 years old and it was Grandma’s house. The glass paned door at the top of the stairs has always had stretched curtains on it, whether ours or a tenant’s. Several have been left behind. The best was a bold Marimekko print.
Top and bottom edges of the curtains are pocketed. We’ve always used very tight springs as rods. I believe they date from the late 40s, because that’s when the apartment was divided off by installing that door, which I believe was once the door to the room that was then the dining room.
I’ve got a half dozen doors of different sizes and types in the attic, all original to the house.
