Enter a clue or pattern or both:
The Clue
Wiretap aids (9 letter answer)
The Answer
EARPHONES
Tags
Notes
The answer EARPHONES is so rare that it appears less than once every 2500 puzzles.
Definition
EARPHONE as a noun:
1. (earphone, earpiece, headphone, phone) = electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"