Stretchers used for carrying luggage (5)

I believe the answer is:

racks

I'm a little stuck... Click here to teach me more about this clue!

'stretchers' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Maybe they are linked in a way I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for racks that I've seen before include "Frameworks, for torture say" , "Frameworks for holding objects or for torture" , "Frameworks of shelving" .)

I've seen this clue in The Irish Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.