Donovan and her husband also sometimes travel outside of their area and go to Las Vegas and Reno to gamble. Did we go to grade school together? One of the cultural customs employees have learned about andd the Chinese custom of tapping one's fingers on the table as a way of saying thank you to servers.patins roulettes rollers quad REAL LIFE ROULETTE In recovery, the year-old high-tech recruiter is on the forefront of a battle by Asian Americans in California against out-of-control gambling. Las Vegas casino operators know there's no gambler quite like the Chinese, but until now no one has built a casino strictly for them. Lucky. "It's no secret in the casino business Asians' love for gambling and so we billboards in Asian-American communities in the Los Angeles area.