Attach back cushion to bed?

Hello everyone! May I ask again what exactly is meant? Are the cushions then supposed to serve the purpose on the wall of enabling upright sitting in the bed, so that the bed also basically serves as a couch?

Well, I also know these hooks and I actually don’t find them impractical. I used to have them in my room just like you described and never hit my head on them. Of course, you have to be a bit careful, but you can also hit your head on a normal wall. I find these things very useful and can only recommend them!!