The most common and most likely answer to this crossword clue is the 10 letter word TIN-OPENER
I've seen this crossword clue in The Guardian
T
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N
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O
P
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More clues leading to the result TIN-OPENER
Buddy explains!

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 TIN-OPENER mean?
TIN-OPENER noun- A can opener