Not so sure I would soak it just enough to loosen it (the rust) up enough to get it out. Then you will have another issue of getting rid of the rust without removing material from the hostel or shaft.
When you're dead you don't know you're dead. It's the same way when you're stupid.
Balance - 31.0 cm, Weight - 358 g, SW - 346 Kgcm^2