Primarily what accompanies strikers’ initial lapses?! (7)

I believe the answer is:

wickets

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'lapses?' is the definition.
Although both the answer and definition are plural nouns, I can't understand how one could define the other.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Another definition for wickets that I've seen is " Sets of stumps".)

I've seen this clue in the Sydney Morning Herald.

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