The Angels differentiated themselves from society by kissing each other on the mouth as a greeting and an opportunity to shock passers-by. The bikers kisses became immortalized in Hunter S. Thompsons book Hells Angels: A Strange and Terrible Saga.

What do 1% bikers do?

One percenter Some outlaw motorcycle clubs can be distinguished by a 1% patch worn on the colors. This is said to refer to a comment by the American Motorcyclist Association (AMA) that 99% of motorcyclists were law-abiding citizens, implying the last one percent were outlaws.