CARE MUST BE TAKEN ON THIS GAME. Two players are blindfolded and given a hockey stick each or similar item. A tennis ball or similar sized ball is placed in the play area. The blindfolded players are then spun around and have to try to be the first to hit the ball. When a player hits the ball they swap with someone watching�Players MUST NOT swing their stick in the air or move it in an agressive manner, CARE MUST BE TAKEN not to injure another player.
Source: From the original site.