Crossword Genius

Stuttering, so we mangled – these? (6,8)

Ross

I believe the answer is:

tongue twisters

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'these?' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'stuttering so we mangled' is the wordplay.
'mangled' is an anagram indicator.
'stuttering'+'so'+'we'='stutteringsowe'
'stutteringsowe' is an anagram of 'TONGUE-TWISTERS'.

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I've seen this clue in The Everyman puzzle in The Observer.
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