It might be pulled in a secret signal Crossword Clue

 The answer to the crossword clue "It might be pulled in a secret signal" is EAR. This is a 3-letter word that refers to the organ of hearing. It can also be used as a verb, meaning to pull or tug at something.

In the context of a secret signal, the ear could be pulled to indicate that someone is trying to communicate secretly. For example, someone might pull their ear to signal that they are being followed.

Here are some other possible answers to the clue, although they are not as common:

CORD

ROPE

THREAD

STRING

WINDUP

I hope this helps! Let me know if you have any other questions.