Grandmaster Wong uses only one hand to fell Sifu Antonio Jose, who is much bigger and heavier

Once you have understood the principles of throws and locks, fighting against Judo and Aikido opponents is not difficult. To show some impromptu counters against Judo and Aikido attacks, Grandmaster Wong asks those who are good at these arts to attack him in any way they like. It is interesting that Grandmaster Wong uses only one hand in his counter, reserving the other hand to drink tea, as he often jokingly says. Can you see from the videos what are the two principal factors that enable Grandmaster Wong to counter Judo and Aikido attacks so efficiently?