The bones in her arms were shrieking and cracking under the weight of her efforts and black tears fell out the corners of her eyes but she held on. The curse entered the bullet and Hermione waited until the time came when she knew she could wean it off. Like a taut fishing line reeling a gargantuan haul, she had to resist the spell trying to thwart her resilience. But with a final flourish, the curse came off the end of her wand and spooled into the missile.