Crossword Genius

How one may make progress on one's feet (7)

Ross

I believe the answer is:

insteps

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'feet' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Maybe you can see an association between them that I don't see?

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

Can you help me to learn more?

(Another definition for insteps that I've seen is " Foot arches".)

I've seen this clue in The Globe and Mail and The Irish News.
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