How to protect others with tarot cards

It is out of the question. Tarot cards are just tools, not other foreign objects. Tarot cards can be used as amulets and psychological comfort at most.

Some people on the internet say that it is nonsense to use tarot cards to do black magic, and only crazy people will believe it.

But I can tell you a way to protect yourself. Tarot cards can't.

Beads and bracelets, or Bodhisattva Yu Pei.