You can torture a man in several ways:
A hot poker to his rib
Filling him with water and dry rice
Drilling a needle through his palm
Dousing him with hot water or acid
Slowly slicing off his tongue
Rubbing sand paper over his skin
Shoving bile down his throat
Showing him graphic pictures of the murder of his family and not telling him what happened
Telling him lies—or better yet—give him intricate riddles.
You can torture a man in several simple or just downright complicated and gruesome ways
However, the one that can make him crazy...