Crackers!” said Dumbledore enthusiastically, offering the end of a large silver noisemaker to Snape, who took it reluctantly and tugged. With a bang like a gunshot, the cracker flew apart to reveal a large, pointed witch’s hat topped with a stuffed vulture. Harry, remembering the boggart, caught Ron’s eye and they both grinned; Snape’s mouth thinned and he pushed the hat toward Dumbledore, who swapped it for his wizard’s hat at once.