Discussed in these Forum posts:

Where possible is it always preferable to tighten the Main rather than the Cunningham?
My concern is the wrinkles that appear below the Cunningham attachment point, which I presume would disturb the optimum airflow.
View topic

The Cunningham, the Halyard and Luff tension

More like this

Return To Classic site 😭
Or... let us know if a problem, so we can tweak! 😅