Cryptic crossword clue
Used to connect supporter with worker 6-4

The most common and most likely answer to this crossword clue is the 11 letter word SECOND-HAND

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

The straight part
We know that "Used" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case used = second-hand.
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 SECOND-HAND mean?

SECOND-HAND adjective
  1. (of goods) Not new; previously owned and used by another.
  2. (of a dealer) Dealing in such merchandise.
  3. Indirect; from a secondary source; not firsthand.
  4. (of cigarette or cigar smoke) inhaled from the air near someone else smoking.

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