Where products might be displayed in disarray (3,4,3,4)

I believe the answer is:

all over the shop

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'in disarray' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for all over the shop that I've seen before include "In disarray" , "Like massive clearance-sale offers" , "Where goods may be displayed" , "as an overworked storekeeper may be?" , "state of confusion" .)

I've seen this clue in The Sunday Times.

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