Crossword Puzzle What never lets go?

Clue: What never lets go?

Rap/country collaboration with a Dirty South version of "Whatcha Gonna Do with a Cowboy"? (LUDACRISLEDOUX with 14 letters)
Lets up (e.g. ABATES with 6 letters)
Lets off the hook (e.g. ACQUITS with 7 letters)
Lets off (e.g. ACQUITS with 7 letters)
Lets on (e.g. ACTS with 4 letters)
Lets in (e.g. ADMITS with 6 letters)
Lets time improve (AGES with 4 letters)
Lets out, as Festivus grievances (AIRS with 4 letters)
Lets it be known (AIRS with 4 letters)
Lets (e.g. ALLOWS with 6 letters)