Andy M.
Certified Pretend Chef
My ricer has only one and the holes are like the smaller-holed disk in the link photo. Either would work.
Either way, mashing is labor-intensive; any idea to relieve us of the work is welcome.
...I've never owned or operated a ricer. I don't understand why it's called a "ricer." It looks like a bulky, inefficient, one-purpose appliance, to me. If more discussion can change my mind, I'm open to it...