A stitch-up on a job made disheartened salesgirl quit, sadly, but they'll cover it up (9,6)
I believe the answer is:
patchwork quilts
'a stitch-up' is the definition.
I can't judge whether this definition defines the answer.
'on a job made disheartened salesgirl quit sadly but they'll cover it up' is the wordplay.
I cannot really understand how this works, but
'on' could be 'at' (I've seen this in other clues) and 'at' is located in the answer.
'job' could be 'work' (synonyms) and 'work' is located in the answer.
'cover' could be 'quilt' and 'quilt' is located in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Another definition for patchwork quilts that I've seen is " Covers".)