Fair Catch signal question.

[SC Official]

Originally Posted by CT1

Once any member of the receiving team gives a FC signal (valid or invalid), the ball becomes dead upon possession, and cannot be advanced.

Additionally, in FED, it's a 5-yard penalty to give an invalid (or illegal) signal.

And remember that R does not receive protection-it's not a fair catch.

We've been told here that it's the "get away" signal is invalid.