Links of London's charm collection celebrates specific Olympic sports such as table tennis and badminton, so there is a ping-pong paddle and a shuttlecock, alongside hearts and clovers, symbolizing the themes of luck and love.

WSJ: Winning British Gold for the Olympics

In the U.S., Asian-Americans dominate ping pong, having comprised the entire U.S. Olympic table-tennis team in 2008, a feat they appear poised to repeat this year.

WSJ: Social Media