Shelter for stray slugs (6)
I believe the answer is:
pounds
'slugs' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps you can see an association between them that I can't see?
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for pounds that I've seen before include "Imperial measures and currency" , "UK monetary units" , "Hammers" , "Crushes or beats with repeated blows" , "Cash" .)