Pottery strike's working (6)
I believe the answer is:
minton
'pottery' is the definition.
(Minton was a famous pottery manufacturer)
'strike's working' is the wordplay.
'strike' becomes 'mint' ('mint' can be a synonym of 'strike'**).
'working' becomes 'on'.
'mint'+'on'='MINTON'
(Other definitions for minton that I've seen before include "Stoke china" , "Pottery firm" , "ceramicist" , "English pottery company" .)