The most common and most likely answer to this crossword clue is the 5 letter word SABOT
I've seen this crossword clue in Financial Times
S
A
B
O
T
More clues leading to the result SABOT
- Shoe to briefly knock up
- Something afoot: no time for throwing a spanner in the works?
- I must leave Tobias turning a wooden shoe
- One shoe, not quite the pair, going with it
- Seaman entering boozer to see what's afoot?
- Clog half of 26s up over time
- Drunkard pinching sailor’s footwear
- Tobias returned, missing one shoe
- One kicked off premises by Smollett’s upwardly-mobile clog!
- Sailor wearing drunk’s wooden shoe
Buddy explains!

The straight part
We know that "shoe" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shoe = sabot.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 SABOT mean?
SABOT noun- A wooden shoe.
- A carrier around projectile(s) in firearms, cannons and artillery which holds the projectile in precision within the barrel