In 2006 a group of riders started riding together for SF Citadel. They wore hand painted vests and called themselves Citadel Riders. In 2009 a conversation was started with others about forming a club at the Exotic Erotic Ball. In 2010 while on set at kink.com in San Francisco, the conversation continued and the first 9 members had been identified. They would become the founders of the club and given the Original Sinners title. In February 2010, the first meeting happened to discuss name and patch design. Meetings continued until May 2010 when the patch was approved and the club charter was signed. Thus was born Legion of Sin MC.