Cryptic crossword clue
Wide part of foot caught by light immobilising device 5,5

The most common and most likely answer to this crossword clue is the 5 plus 5 letter word WHEEL CLAMP

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

The straight part
We know that "immobilising device" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case immobilising device = wheel clamp.
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 WHEEL CLAMP mean?

WHEEL CLAMP verb
  1. To immobilize (a vehicle) with a wheel clamp.

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