Crossword Genius

Your pegs must be set for them when camping (3,5)

Ross

I believe the answer is:

guy ropes

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

'set for them when camping' is the definition.
I can't tell whether this defines the answer.

'your pegs must' is the wordplay.
'your pegs' can be anagrammed to 'GUY ROPES'.
But, I'm not clear how this is indicated.

'be' is the link.

Can you help me to learn more?

(Another definition for guy ropes that I've seen is " What will make tent secure".)

I've seen this clue in The Globe and Mail.
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