I finally learned porteugese knitting to help. It is actually faster, less movement, more accurate gauge and very easy. I learned continental though.
I learned crochet as a kid and learned to knit in my late 30's. I also developed arthritis in my left hand as well. I thought I had to give it all up so gave PK a try.
I am in the US, so I had a Craftsy subscription. On that platform, which just returned from the brink, Andrea Wong has a class. I noticed she also has videos on Youtube for free.
To help with the arthritis when I crochet, I wear a carpal tunnel wrist guard. As long as it hold my wrist in a neutral position I can crochet, but do limit the time I spend and alternate between knitting and crochet.
Angela Rayner lashes out and calls Sunak “pint sized loser”.