The black hair tie on Rachel's wrist might be a symbol in a fanfiction. It could represent her connection to a secret society. Only those who notice the hair tie are part of the group, and throughout the story, Rachel has to keep it hidden from those who would oppose the society.
A fanfiction could revolve around a mom with a black hair tie on her wrist who is a superhero in disguise. The hair tie is actually a magical object that gives her powers when she ties her hair back. She has to keep it a secret from her family while still saving the day in the neighborhood.
Well, perhaps in this fanfiction, the black hair tie on Rachel's wrist has some sort of magical power. It could be that when she ties her hair up with it, she can see glimpses of the future. This ability causes all sorts of chaos and excitement in her life as she tries to figure out how to use it for good.
Perhaps in the fanfiction, the black hair tie on Jade's wrist is a clue to her past. She has amnesia and the hair tie is the only thing she has from her previous life. As she begins to investigate, she meets various characters who either try to help or hinder her in uncovering the secrets associated with the hair tie.
One possible fanfiction could be 'Beth's Unseen Bond'. In this story, the black hair tie on her wrist becomes a symbol of her connection to a past event or a person. It might start with her friends noticing the hair tie and asking about it, leading to a series of flashbacks that unfold the story.
In a fanfiction, the girl with the hair tie on her wrist is on a solo hike. She uses the hair tie to mark the trees along the way so she can find her way back. But then she gets lost. As she tries to retrace her steps, she realizes that the hair tie is not just a simple accessory but a reminder of her own strength and she manages to find her way back to the main trail.
One possible fanfiction could be that the girl at the waterpark is a mermaid in disguise. The hair tie on her wrist is a magical charm given to her by an old sea witch. As she enjoys the waterpark, she has to be careful not to lose the hair tie, because if she does, she'll transform back into a mermaid in front of everyone. This would cause chaos and excitement among the other visitors.
There could be a fanfiction where the girl is running away from something, like a bad situation or a bully. The hair tie on her wrist was given to her by a friend who she really cares about. As she runs, she holds onto the hair tie tightly, drawing strength from it. It gives her the courage to keep running until she reaches a safe place.
One possible plot could be that the black hair tie is a memento from a special person. Maybe it was given to Alison by an old friend who has since moved away. The story could revolve around Alison's memories associated with this person and how she embarks on a journey to reunite with them, with the hair tie serving as a constant reminder and a source of motivation.
Perhaps the black hair tie is a reminder of a past love. Felicity is constantly haunted by the memories associated with it. She meets someone new in the fanfiction, and the presence of the hair tie creates a conflict as she tries to move on from her past while still holding onto this memento.
If it's a hair tie given to her by a friend, it could strengthen their bond. For instance, if it was from Angela, it would be a symbol of their friendship. Whenever Bella looks at it, she's reminded of their good times together, and it might make her more likely to reach out to Angela when she's having a problem, thus deepening their relationship.