Upwind in Very Strong Breeze 
by Michael O'Brien, 
Melbourne, AUS (and previously Seattle, USA) 
 
If you sometimes struggle in very strong breeze or would just like the boat to be a little easier to manage, this blog post by Michael O'Brien may help.

https://www.aeronautic.info/posts/2019/upwind-twist/upwind-twist.html
 
'When used in combination, less vang and more cunningham is very effective in reducing power and making the boat much more manageable.'

Also, check out the comments on the Facebook thread.