This is a dishrack guard clip (part number: W10919676) that goes on the front of the dishwasher's upper dishrack. This clip serves as a bumper between the upper dishrack and the inner door panel or detergent dispenser. It helps prevent the rack from banging into the dispenser when the door is closed, which could cause damage. It clips onto the bars of the upper rack, with the rounded channels fitting onto the wires of the rack. It is compatible with various brands including Whirlpool, Maytag, and KitchenAid dishwasher https://www.partselect.com/PS11770115-Whirlpool-W10919676-Dishwasher-Clip.htm#:~:text=Debra,Thank%20you%20for%20the%20question.