A special spray jet, set off by a pedal, can target discolorations. The upholstery attachment was extremely efficient on an old elbow chair, and the stair-cleaning tool functions well as well. There's even a helpful tool for cleaning the cleaner when you're done, though this is a fiddly job. The DeepClean Lift-Off isn't the lightest, most small upright cleaner we've encountered, however it is the only one...