The secrets of becoming a German Hell's Angel have been revealed by a former member of the Berlin chapter. They include;

A ban on beer or any alcohol
A ban on taking buses or trains
A ban on smartphones
An apprenticeship that involves cleaning the clubhouse and food shopping
Monthly membership fees
Fines for infractions of rules and regulations.

I think they are allowed to drive motorcycles but it doesn't actually say, and the photo just shows them all in a boat.