They're seen at doorways, somewhat flat-chested (7)

I believe the answer is:

latches

'they're seen at doorways' is the definition.

'somewhat flat-chested' is the wordplay.
'somewhat' says the answer is hidden in the clue.
'LATCHES' can be found hidden inside 'flat chested'.

(Other definitions for latches that I've seen before include "Door catches" , "locks" .)

I've seen this clue in The Everyman puzzle in The Observer.

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