Crossword Genius

Faster fastener needed on the wharf (7)


I believe the answer is:


I'm a little stuck... Click here to teach me more about this clue!

'faster' is the definition.
Both the answer and definition are comparative adjectives. Maybe they are linked in a way I don't understand?

'fastener needed on the wharf' is the wordplay.
'fastener' becomes 'zip' (zip is a kind of fastener).
'needed on' is a charade indicator (letters next to each other) (in a down clue, some letters go on top of others).
'the wharf' becomes 'pier' (I've seen this before).

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app