The most common and most likely answer to this crossword clue is the 5 plus 5 letter word SMALL PRINT
I've seen this crossword clue in The Guardian
S
M
A
L
L
P
R
I
N
T
More clues leading to the result SMALL PRINT
- Details of money everyone found in career
- Tear round shopping centre for conditions of sale
- Dash round shopping centre for contract details?
- Where to shop wearing belt? It might well contain a catch
- Details of contract quickly move around shopping area
- Dash around shopping centre to get details of contract
- A pigmy might make this pitfall for the unwary
- Part of contract to run round shopping centre
- In rush, shopping complex produces stuff that might surprise consumers
- Little picture hardly anyone looks at
Buddy explains!
The straight part
We know that "It might well contain a catch" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it might well contain a catch = small print.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.