No, really -- you do. And since that's the case, you need one of these:
(Psst! -- This one has a knee control instead of a pedal! Way cool!)
These are all available now from various Etsy sellers. Just click the photo and you're there. So if you're thinking of buying a new machine, don't. Buy a vintage one for the same price, and save yourself a lot of time, money, and hassle.