Lab — Paid Post With a Paywall

This paragraph is the free preview — everyone can read it. It should give a
public reader a taste and then hit the wall.

Everything below the paywall is members-only. If you’re seeing this
sentence as a signed-out visitor, the gate isn’t working. If you’re a paid,
active member, you should see it and not see the upgrade button above.

More members-only body so there’s clearly something behind the wall.