As a rule, padlocks are used outdoors, and through this hole water pours out, which gets into the castle in rainy weather, otherwise the mechanism inside would rust. It is also convenient to lubricate the lock through it.
As a rule, padlocks are used outdoors, and through this hole water pours out, which gets into the castle in rainy weather, otherwise the mechanism inside would rust. It is also convenient to lubricate the lock through it.