Rinse the rack of ribs and pat them dry. If your ribs still have the thin, shiny membrane on the back, remove it. (This is easy, don’t worry!) Flip to the back of the ribs over, meat-side down. Wiggle a dull knife (such as a butter knife) between the membrane and the ribs to loosen it. With a paper towel, grip the membrane and pull it away, then discard. This allows your spice rub or sauces to penetrate the meat and also helps the meat become tender.