Children dressed as butchers, jockeys and balls of wool have paraded through the streets of Hawick.
They were taking part in a project about industry in the Borders.
Watch the full report from Jenny Longden below.
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Detectives say the men have shown "no remorse for their actions whatsoever".
So far, they've removed more than 20,000 tonnes of gravel.
The festival is one of the longest running Blues festivals in the country.