Trivia: Dog makes a quote from Winston Churchill, and a reference is made by XXXX and Jimmy in Layer Cake. Matthew Vaugn, the producer of Lock, Stock is also the director of Layer Cake.
Trivia: Just after bacon orders '3 of your most refreshing drinks' listen to the football commentry being played in the background. The film's director Guy Richie is playing on the wing.
Trivia: Producer Matthew Vaughn makes a cameo as the yuppie whose car is stolen by Dog.
Answer: First, keep in mind they're not playing poker. It's similar, but there isn't a check/bet/call. They put in money, and you have to match it, then it's back on the other guy to match or raise. If you "see" the last guys bet, you put in double, and the cards are shown. Yes, "blind" means you didn't look, "open" means you did.