I always use the shredder disc and food processor for mine. I think you could use either blade, depending on how fine you like your shreds of cabbage to be.
To know how to shred cabbage in a food processor check this article here, hope will be helpful for you.
They are good for touch-ups, and maybe removing wrinkles from lighter fabrics, but you'll need an iron. You can't steam a dress shirt.
I recommend getting one these. I prefer the Rowenta DG8520, since it's small enough for travel.
Japanese brands make the best rice cookers. The most famous are Tiger and Zojirushi.
I had a zojirushi back when I lived in Tokyo that worked really well. But most commercial models you'll be able to find are just as good, by the way I found this useful article while searching the internet...