Stable types nonetheless satisfied to shelter young surfies (8)

I believe the answer is:

grommets

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

'stable types' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps there's a link between them I don't understand?

'nonetheless satisfied to shelter young surfies' is the wordplay.
I cannot really understand how this works, but
'satisfied' could be 'met' (as in 'met the conditions of his contract') and 'met' is found in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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