Votes to have terribly slim footwear (9)

I believe the answer is:

plimsolls

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

'votes to have terribly slim footwear' is the definition.
I can't tell whether this definition defines the answer.

'votes to have terribly slim' is the wordplay.
'votes' becomes 'polls' (polling is a kind of voting).
'to have' indicates putting letters inside.
'terribly' indicates anagramming the letters.
'slim' anagrammed gives 'lims'.
'polls' placed around 'lims' is 'PLIMSOLLS'.

Can you help me to learn more?

I've seen this clue in The Mirror.

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.