I guess I'll be getting in some weak side practice for a few weeks. I had carpal-tunnel surgery on my left hand about ten weeks ago. I think I am definitely slowly getting some feeling back in my fingers. Friday, I'll have the surgery on my right hand. Hopefully, I'll regain some of the feeling in those fingers, too. If you suspect you have this problem, don't put off having it seen about. I wish I had done something two years ago when I first started having the symptoms.
Anyhow, I have never gotten serious about practicing with my left hand. I'll certainly have that opportunity now.