The most common and most likely answer to this crossword clue is the 9 letter word RECREATES
I've seen this crossword clue in The Daily Telegraph
R
E
C
R
E
A
T
E
S
Buddy explains!

The straight part
We know that "Unwinds/makes it all over again" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unwinds/makes it all over again = recreates.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RECREATES mean?
RECREATES verb- To give new life, energy or encouragement (to); to refresh, enliven.
- To enjoy or entertain oneself.
- To take recreation.
- To create anew.