Crossword Genius

Can opener call on kind of cricket shot? (4,4)

Ross

I believe the answer is:

ring pull

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

'can opener' is the definition.
(I've seen this before)

'call on kind of cricket shot?' is the wordplay.
'call' becomes 'ring' (telephone call).
'on' is a charade indicator (letters next to each other) (in a down clue, letters appear on others).
'kind of cricket shot?' becomes 'pull' (I can't explain this - if you can you should give a lot more credence to this answer).
'ring'+'pull'='RING-PULL'

Can you help me to learn more?

(Other definitions for ring pull that I've seen before include "Can-opener" , "Part of a beer can" , "Can opener" , "How to get at coke" .)

I've seen this clue in The Telegraph.
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