Milliner in break removing topper (6)
I believe the answer is:
hatter
'milliner' is the definition.
(synonyms)
'break removing topper' is the wordplay.
I cannot really see how this works, but
'topper' could be 'hat' (I've seen this in another clue) and 'hat' is located in the answer.
The remaining letters 'ter' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
'in' acts as a link.
Can you help me to learn more?
(Other definitions for hatter that I've seen before include "Threat (anag)" , "Milliner" , "Tea-party holder" , "Tea-party attender" , "supplying pork pies?" .)