Unlike the traditional "drift" defense, in which defenders take a few steps towards the opposition and then follow the ball across the field, the rush attempts to limit the supply of easy yards by stopping opposing runners in their tracks.

WSJ: Wales Unleashes Its Behemoths

For a peep into everyday Bangkok life, catch a boat during morning rush hour when smartly-dressed commuters jump off and on the regularly-stopping boats as easily as though they were on a bus.

BBC: Exploring Bangkok��s canals