New hare for dog racing doesn't rely on any old system.
Nicko Scallen tells Michael Ryan about the rationale behind a new means of driving a mechanical hare that can be used in greyhound racing. Explaining how it works he says the hare can travel anything up to 45 miles an hour and is powered by a car engine.
A 'Newsbeat' report broadcast on 30 April 1971. The reporter is Michael Ryan.