Radio knob
THE ANSWER IS
The answer is TUNER.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
TUNER is the 5-letter answer to “Radio knob” in the January 20, 2020 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so TUNER both satisfies the clue and fits the day’s board.