Cryptic crossword clue
More than one case exists in glens 7

The most common and most likely answer to this crossword clue is the 7 letter word VALISES

I've seen this crossword clue in The Guardian
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Buddy explains!

The straight part
We know that "More than one case" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more than one case = valises.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does VALISES mean?

VALISES noun
  1. A piece of hand luggage such as a suitcase or travelling bag.

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