Crossword Genius

Follow food processor pattern (8)

Ross

I believe the answer is:

dogtooth

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'processor pattern' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'follow food' is the wordplay.
'follow' becomes 'dog' (dog can mean to follow or torment).
'food' becomes 'tooth' (I can't explain this - if you can you should give a lot more credence to this answer).
'dog'+'tooth'='DOGTOOTH'

Can you help me to learn more?

(Other definitions for dogtooth that I've seen before include "that may be pulled" , "Canine" , "Check" .)

I've seen this clue in The Daily Express.
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