The Jangly Man in the scary story is often depicted as a really creepy figure. Maybe he has a strange appearance with parts of his body making jangling noises as he moves, which adds to the scariness. He might lurk in the shadows, waiting to frighten those who encounter him.
The Jangly Man is scary in the story because he represents a threat that is not easily understood. His jangling could be a warning sign, but it's also a mystery. Is he a ghost? A monster? His presence disturbs the normalcy of the setting in the story. He might also be associated with a backstory full of pain and horror, which makes his existence even more menacing. For instance, if the story implies that he was once a tortured soul, his current state of being a jangly, scary figure becomes even more disturbing as it makes us wonder what could have turned him into such a thing.
I'm not entirely sure which specific 'jangly man original story' you are referring to. There could be various interpretations or it might be a very niche or local tale. It could be a fictional character in a particular book, movie, or folklore that I'm not familiar with without more context.
It's extremely scary. The vivid descriptions and eerie atmosphere created in the stories make your heart race. But for some hardcore horror fans, it might not be the scariest thing out there.