Crossword Genius

Plastic skis create cool slippers? (3-7)

Ross

I believe the answer is:

ice-skaters

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'cool slippers?' is the definition.
Although both the answer and definition are plural nouns, I don't understand how one could define the other.

'plastic skis create' is the wordplay.
'plastic' indicates an anagram (plastic can mean easily moulded).
'skis'+'create'='skiscreate'
'skiscreate' with letters rearranged gives 'ICE-SKATERS'.

Can you help me to learn more?

I've seen this clue in The Telegraph.
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