The black hair tie on the wrist can be a part of a character's transformation. Suppose a shy character decides to take off the hair tie from their wrist and tie their hair up, signifying a newfound confidence and a change in their attitude towards a situation in the fanfiction.
The character could be in the dark tunnel, feeling lost. They look at the black hair tie on their wrist and remember a promise they made. This memory gives them the motivation to keep going and find a way out of the tunnel. For instance, if it was a promise to a friend who is in danger, the hair tie serves as a reminder of their duty.
It could be a clue. Let's say a character goes missing in the fanfic, and all that's left behind is a hair tie on the wrist. The other characters then have to figure out who the hair tie belongs to and what it might mean in relation to the disappearance. This could lead them on a journey of discovery through the town and its secrets.
One way is to have the character enter the dark tunnel while fiddling with the hair tie on their wrist out of nervousness. Maybe they find something in the tunnel that makes them realize the importance of the hair tie, like it was a key to unlock a hidden door.
One way is to have it be a key to a mystery. Maybe it has a hidden mark or inscription that leads to a secret location or treasure. Another way is to have it be a tool for a Pokemon's evolution. The trainer uses the hair tie in some special way to help their Pokemon evolve.
In hair fanfiction, a black hair tie on the wrist can symbolize a connection to a particular character. It might be something that the character left behind or a memento. For example, if it was from a love interest, it could represent an unspoken bond or a longing for that person.
A black hair tie on the wrist can be a link between different storylines or characters. One character might be searching for the owner of the black hair tie they found on their wrist, which leads them to cross paths with other important characters. It could also be a symbol of a character's loyalty. If a character is part of a group, wearing the black hair tie on the wrist shows their allegiance to that group, and any threat to the hair tie can be a threat to the character's loyalty and relationships within the group.
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.
Such a description might be used to make the character stand out in a fanfiction. He could be a unique character in a fantasy - based fanfic too. For example, he could be a wizard who has adapted to some modern - day human habits like wearing a hair tie on his wrist. His bun could be a way to keep his long hair out of his face while he's performing magic.
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.
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.