No socks. no jeans zippers, but pretty much everything else. Right now I have a worn out plaid wool jacket that a young friend wants saved because it was his grandfather's. Not a lot of hope, but I'll try.
Strangest mending - my brother's fireproof jumpsuit for racing cars that didn't burn gasoline. Heavy silver fabric.
Sewing two heavy leather belts together to make a belt long enough so a young man could attend his prom.
A shredded evening gown. Homecoming queen - rainy night - oh, my.
I dislike retrofitting formal dresses. And as I said, I don't do zippers in jeans.
If I can force it under the presser foot, the Elna will sew it.