Find mine won’t work (6)

I believe the answer is:

strike

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

'find' is the definition.
(striking is a kind of finding)

I cannot understand how the rest of the clue works.

(Other definitions for strike that I've seen before include "Walk out" , "Everyone out" , "Failure to hit ball" , "mint" , "Hit; withhold labour" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app