“Are you trying to weasel out of showing us any of this stuff?' said Zacharias Smith.
'Here's an idea,' said Ron loudly, 'why don't you shut your mouth?'
'Well, we've all turned up to learn from him, and now he's telling us he can't really do any of it,' he said.
'That's not what he said,' said Fred Weasley.
'Would you like us to clean out your ears for you?' inquired George, pulling a long and lethal-looking metal instrument from inside one of the Zonko's bags.
'Or any part of your body, really, we're not fussy where we stick this,' said Fred.”