What is the best and safe way to flirt with someone you are attracted to?

No this not one of them generic “How do I flirt? questions, because I already know how to anyway. 😂 I just wanna hear from y'all, and let me know your tips and tricks to the flirting game.
P. S Mine is eye contact
What is the best and safe way to flirt with someone you are attracted to?
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