( the dog the goddamned dog it 's his fault goddam dog goddam hellhound i 'll kill you i swear to god ) tad 's teeth clamped down on her fingers again , and then she had his tongue again and this time she did not hesitate : she dug her fingernails into its spongy top and underside and pulled it forward like a woman pulling a windowshade down ; at the same time she put her other hand under his chin and tipped his head back , creating the maximum airway .