Crossword Genius

He hawks round an inexpensive item for motorists (9)

Ross

I believe the answer is:

cheapjack

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

'hawks round an inexpensive item for motorists' is the definition.
I can't tell whether this definition defines the answer.

'he' is the wordplay.
I cannot really understand how this works, but
'he' could be 'jack' and 'jack' is present in the answer.
The remaining letters 'cheap' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for cheapjack that I've seen before include "inferior quality" , "Poor" .)

I've seen this clue in The Irish News.
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