How will the people of the Hell be tortured?
The people of the Hell will be abused ( by word and deed ) until they are milted, then if they wanted to get out of it [i.e., Hellfire] from anguish, they will be returned to it and be punished with maces of iron.
Allah said ( interpretation of the meaning ) :
{ These1 are two adversaries who have disputed over their Lord. But those who disbelieved will have cut out for them garments of fire. Poured upon their heads will be scalding water By which is melted that within their bellies and [their] skins. And for [striking] them are maces of iron. Every time they want to get out of it [i.e., Hellfire] from anguish, they will be returned to it, and [it will be said], "Taste the punishment of the Burning Fire!" }
AL‑ḤAJJ (19-22)