"He who marches out of step hears another drum." ~ Ken Kesey
no key on either of our m&r machines, and I can't think of a scenario where I wish I did have a key. That's just what we need, one more thing to slow us down, hunting for the damn key. . .I never would have thought a machine had a key...I'd rather have a cup holder and a toaster oven to warm up my sammich...