The Sentinels strapped down to something that you don't understand

She felt relief when the girl's teeth were no longer clamped in her neck, and she tried to ready herself to make another attack, but Ceara was too quick. She saw the fiery ball of fur and and teeth with only enough time to turn and protect her face. In doing so, she left the side of her neck vulnerable, and the woman's jaws were soon clamped down in a new spot, blood spreading across her snowy white fur as teeth tore into flesh. Again, she used her weight to try and shake the wolf off since it seemed to have done the trick the first time. Luckily, adrenaline masked any pain, giving her the ability to withstand the sliding of teeth across her skin that was sure to accompany the shaking.