Well, it could be a symbol of a past encounter. Maybe the person who was kidnapped was wearing the ponytail and the kidnapper took the hair tie as a sort of trophy or reminder. It might also be used by the protagonist later on to identify the kidnapper, like if they notice the hair tie on the kidnapper's wrist during a chase or confrontation.
It can be a clue. For instance, the hero in the fanfiction might notice the hair tie on the wrist of a suspect and start to suspect that person of being involved in the kidnapping. It's a simple but effective way to introduce an element of mystery and investigation into the story.
The fact that her hair is in a bun might also play a role. It could be a cultural or traditional style in the fictional world she belongs to. When she's kidnapped, her captors might be disrespectful of this style, which angers her and gives her the motivation to resist. The bun could also be used practically during her captivity. For example, she might hide small objects in it to help her escape, like a lock pick or a small note.
The hair tie on her wrist could be a symbol of her past normalcy. Maybe it was something she put on in a hurry before being kidnapped, like a reminder of her everyday routine. It could also potentially be used as a weapon or a tool for escape if she manages to get it off her wrist.
A disgruntled ex - friend could be the kidnapper. Maybe there was a falling - out between the two characters, and the ex - friend wants to get back at the owner of the hair tie. They think that by taking this precious item, they can cause emotional pain.
One possible plot could be that the hair tie has some sort of magical or sentimental value. Maybe it was given to the main character by a loved one. A villain kidnaps it to try and manipulate the character into doing something. The character then has to embark on a quest to get it back, facing various obstacles along the way.
In fanfiction, a black hair tie on the wrist could symbolize a connection to a particular character. Maybe it was given by a love interest, and the character wears it as a reminder of that person. It could also be a sign of a secret society or group within the fanfiction world, where the black hair tie is a form of identification.
It could be a symbol of a particular phase in their life. Maybe when they were younger and more carefree, and now at 40, it represents a connection to that lost youth.
Well, it could be a symbol of a character's love for the Harry Potter series. Maybe it's a magical hair tie that has some special power in the fanfiction world, like it can protect the wearer or help them access certain magical places.
In fanfiction, a Harry Potter hair tie on the wrist could be a symbol of a character's love for the series. It might be a small, personal way to show their connection to the magical world. For example, a young witch in the fanfic might wear it as a reminder of her Hogwarts dreams.
In fanfiction, a dark tunnel might symbolize mystery or a journey into the unknown. The hair tie on the wrist could be a simple accessory with a deeper meaning. It might be a reminder of someone, like a love interest who gave it. For example, in a supernatural fanfic, the dark tunnel could be a portal to another dimension and the hair tie could be a charm that protects the character as they enter it.