Crossword Genius

Teases about including enchantress in unscrupulous sales tactic (4,3,6)

Ross

I believe the answer is:

bait and switch

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

'teases about including' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'enchantress in unscrupulous sales tactic' is the wordplay.
I cannot really see how this works, but
'enchantress' could be 'witch' (synonyms) and 'witch' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Hindu.
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