An early 1990s report from the California Department of Justice noted that there were more than 500 U.S.-based motorcycle gangs at the time, many with evocative names like Iron Horsemen, Rebel Rousers ...
These forced takeovers of other clubs and gangs are known as "patch-over" events, and were plentiful in the expansion phase of the motorcycle gangs. Several Canadian outfits like the Grim Reapers, ...