 During the scene where Roy and Chon are drunk in the hotel, director  Tom Dey (qv) hoped to include a drunken kung fu scene as an homage  to _Jui kuen II (1994)_ (qv) (Legend of the Drunken Master (1994)).  There was no time to choreograph such a scene, so Dey showed Chon  blowing bubbles from his mouth, as Wong Fei