What does "secret handshake" mean in the context?
I've read the following sentences from a book:> I wanted it so bad, I’d throw myself into practicing but somehow never> got good —while other kids who weren’t putting in nearly the same> amount of dedicated time picked up the skills without seeming to sweat> the details. Were they just … naturals? Did they have private> teachers? **Secret handshakes**?Does this phrase have a literal meaning?I've tried to think that way, but it doesn't seem to make sense in this context.I'd appreciate your help.