Polish, we're told, for belts (6)
I believe the answer is:
whacks
'belts' is the definition.
The answer and definition can be both to do with contact as well as being verbs in their -s form.
Maybe you can see a link between them that I can't see?
'polish we're told' is the wordplay.
'polish' becomes 'wax' (I've seen this in another clue).
'we're told' shows a homophone (sound like).
'wax' is a homophone of 'WHACKS'.
'for' is the link.
Can you help me to learn more?
(Other definitions for whacks that I've seen before include "Hits hard" , "Hard blows" , "Wallops" , "Defeats heavily" , "'Lizzie Borden with an axe, gave her mother 40 ......'" .)