SubscribeHe uses rollers, 21" for the infield; 6' wide for the outfield, pulled behind lawn mowers. As a roller passes over the grass, it bends the blades so that they change tone when the sun hits at different angles. The designs can only be seen from the stands and, according to the players, are not a distraction.
posted by LeiaS at 3:23 PM on October 27, 2004