Why won't my cordless blinds go up? You don’t want your blinds catching dust since the fabric is very delicate to clean. Levolor Roman Shades Window Treatments Living Room Living Room Windows Curtains With Blinds Slide the shim or clip into the grooves on the metal track in the head rail on the blind. How do levolor cordless blinds work . If you want to lower cordless shades, all you need to do is gently pull it down in one swift motion. To understand how cordless blinds work, think of an elevator, or a pulley system. This video shows the steps for custom length shortening cordless blinds. You can find cordless roman blinds, cellular, roller, venetian, and more. Like most cordless shades, levolor cordless honeycomb blinds comprise ribbons that even out the blind. These blinds have a track at the bottom or the top slat. Gently pull the rails up and down when closing or opening them. Subsequently, pull down the blind to its farthest point. You may have to repeat...