Look at these above pictures!
The door in my room is kept from moving freely with a magnet on the wall. It is important to keep it sticking to the magnet all the time because strong winds might slam the door shut and hut people if they happen to put their hands on the door frame.
I found this structure in the dictionary
let somebody/something loose: to free somebody/something from whatever holds them/it in place
She let her hair loose and it fell around her shoulders.
Who's let the dog loose?
Can I say "don't let the door loose from the magnet because it might be blown shut by the wind and hurt you"?