Large jugs not primarily required for flings (7)

I believe the answer is:

pitches

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

This clue could be a double definition.

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

'not primarily required for flings' is the second definition.
The definition and answer can be both acts as well as being plural nouns.
Perhaps you can see a link between them that I don't see?

Can you help me to learn more?

I've seen this clue in The 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.