"– can adjust the temperature,–" Neville is saying, and she feels the water warm further, "–aperture,–" the focus of the water spreads until it feels like warm tongues lapping all over her folds, drenching her labia, her clit, her entrance. "–movement,–" he continues, and the spray sweeps briefly against her in a tantalizing arc, "–and intensity." She catches the movement of his wand from the corner of her eye before the force of the water picks up measurably and she lets out an unexpected shriek. Both Draco and Neville chuckle before the intensity decreases back to its previous level.