Writing Prompt / Story Starter 16

"Watch," said Harry.

Holding the key between thumb and forefinger, he popped it into his mouth like it was a French fry.

He winked at me, then he started to chew. The sound of metal on enamel made my own teeth buzz. My fillings felt like they were sparking.

"That's not right," was all I could say. "That just isn't right."

He carried on chewing, smiling as he chewed. Metal on enamel still, but less so now, like the key was breaking down into smaller pieces.

A minute of this, then Harry swallowed.

"There," he said. "All gone."

He opened his mouth wide and stuck out his tongue, like a child trying to prove they've eaten all their greens and can they have some ice cream now, please?