[quote=ne-sail2]Thanks Bill. Forgive my ignorance, but what are sister clips?
Is this the owners manual that you have? https://www.nacrasailing.com/wp-content/uploads/2019/08/nacra-500-570-blast-i-17-i-18-f-18-i-20-manuals.pdf
Or is there a different manual that's specific to the 500?[/quote]
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