The most common and most likely answer to this crossword clue is the 7 letter word CADDIES
I've seen this crossword clue in The Sunday Telegraph
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More clues leading to the result CADDIES
Buddy explains!

The straight part
We know that "People carrying clubs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case people carrying clubs = caddies.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 CADDIES mean?
CADDIES noun- A golfer's assistant and adviser.
- To serve as a golf caddie.
- A small tray with a handle and compartments for holding items.
- A lightweight freestanding rack designed to hold accessories.
- A lightweight wheeled cart, often fitted with shelves or racks, or attached to a bicycle as a conveyance for a child.
- A tea caddy.
- One hired to assist another in playing the game of golf.
- To serve as a caddy, carrying golf clubs etc.
- A small box, can, or chest to keep things in.
- A movable tray or other mechanism for holding, securing, and transporting a removable component within a piece of machinery or equipment.
- A Scottish errand boy, porter, or messenger.