A dead goose (previously live geese were used too) is suspended head down in the middle of the rope.
The winner can take home a live goose, have it delivered for Christmas or receive a cash prize.
The sport involved fastening a live goose with a well-greased head to a rope or pole that was stretched across a road.
Although the use of live geese was banned in the 1920s, the practice still arouses some controversy.
Also like Antzar Eguna, nowadays dead geese are used whereas live geese were used in the past.
One striking image shows a boy holding a live goose in front of his face.
There is a live goose in a bottle.
The agents also took away a live goose that escaped at the time.
Mr. Pacheco said down, most of which is produced in Europe, is painfully pulled by the handful from live geese.
You sometimes put live geese - to dance on hot griddles before they are killed.