Harry didn't know what George meant by 'working on' one of the pendants but he nodded. "I've heard a few people still got sick with those cheaper pendants. Not worth a thing."
He thought that helping out with the potions was a good idea, even if George didn't and Harry shrugged. "Worth a try maybe? You could be more help than you know. Or a test subject." Grinning, he nudged George's shoulder.