The Unicorn Hair

Hermione whipped her wand out and breathed a single word:

“Incarcerous.”

Rope appeared from the chair and snapped around Malfoy’s extremities, pulling his wrists down to the armrests and his ankles tight to the feet of the chair. Hermione was shocked with herself, but his wide eyes and slightly agape mouth filled her with an unexpected thrill, and her guilt dissipated as giddiness rose up.