Using this Bosch Readyy'y crevice and corner nozzle is a breeze. Just attach it to your compatible Bosch Readyy'y cordless vacuum. It's perfect for getting into tight spaces like corners and crevices to suck up dirt and debris. When using, make sure the vacuum is turned off before attaching or detaching the nozzle. After each use, empty the dust container of your vacuum. To keep the nozzle in good condition, clean it regularly with a soft brush to remove any trapped dirt. Don't use harsh chemicals on the nozzle as it might damage the material. With proper care, this nozzle will serve you well for a long time.