Someone didn't pull it out in time.
Fine. They will just be burnt on one side.
I'm burning, I'm burning, I'm burning Beru.
tenish.
Birds of prey !
You pull the trigger again.
When you pull the ring off, your house goes away
In all 3 cases, someone forgot to pull it out.
Failure to pull out in time
You can unscrew a lightbulb.