All clubs require an action that symbolize or can be construed as "joining".
ALL WHO PASS THIS PORTAL HAVE A DUTY TO OBEY THE RULES OF THE ESTABLISHMENT
Now you just have to identify the portal and avoid it. Not as easy as it sounds. It involves REAL ID and being JABBED.
The portal is camoflaged with illusion and even has gatekeepers. You only need to attempt to pass into a "federal" courthouse to see these mechanisms being played for your benefit.