“Who’s that trip-trapping over my bridge?”

The three billygoats prepared to flee.

“There’s a toll!” said the troll.

“Is that all?” said Mother Goat. “How much is it?”

“An arm and a leg,” said the troll. “Or two legs, in your case.”

Now the goats have to drag themselves everywhere.

This story was based on the TypeTrigger prompt “takes a toll.”