They impede sausages! (5)

I believe the answer is:

snags

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

'they' is the definition.
Both the answer and definition are plural nouns.
Maybe they are linked in a way I don't understand?

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

Can you help me to learn more?

(Other definitions for snags that I've seen before include "Problems" , "Hitches" , "Unforeseen obstacles" , "Drawbacks" , "Unexpected obstacles" .)

I've seen this clue in the Sydney Morning Herald.

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