Aún no tenemos significados para "have no fastening".
1As he leaned against the bed, he noticed that the door had no fastening.
2The outer door had no fastening to prevent their return.
3It was pushed to, but not locked, and had no fastening upon it except the lock, in which was the key.
4He thought his room was "quite horrid, and it opens into a long suite of desolate rooms by a door which has no fastening."