The ducking stool was not always tied down to one spot next to a river or pond. Sometimes it had wheels on it. The woman found guilty would be taken through the streets before punishment was done. Another way of ducking was to use a device called a "tumbrel". The tubmrel was a chair on two wheels. It had two long shafts on its axles. The tumbrel would be pushed into the ducking pond and the shafts would be released. This would tip the chair up backwards, ducking the victim.