Gets rid of crooked tendencies (11)

I believe the answer is:

straightens

I'm a little stuck... Click here to teach me more about this clue!

'gets' is the definition.
The definition and answer can be both related to change as well as being verbs in their -s form.
Perhaps there's an association between them I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

I've seen this clue in The Irish Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.