Her stomach churned unsteadily but Sif gave a single nod of grim determination. The shears were lain aside as she took a deep breath to steady herself. Shifting her position, she braced her legs to either side of Loki's as she leaned over him for a better angle, one hand coming to gently but firmly grip his jaw. She was careful to move none of his skin, but her fingers were deft and swift as she began to tug the threads from his flesh, ignoring the way her eyes burned or the cold sweat that trickled down her spine as she bent to her unpleasant task.