Crossword Genius

Producer of heady creations? (6)

Ross

I believe the answer is:

hatter

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'producer of heady creations?' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps there's a link between them I don't understand?

This is the entire clue.

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(Other definitions for hatter that I've seen before include "Tea Party member" , "Tea-party holder" , "supplying pork pies?" , "There's a Mad one in 'Alice in Wonderland'" , "Milliner" .)

I've seen this clue in the Evening Standard.
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