Depending on the squeegee brand, you can buy channel accessories like end clips. End clips come in a variety of materials like brass or plastic. Sorbo, for example, uses rubber plugs as well as end clips that hold the rubber in place. The Ninja SmartClip offers fast and easy rubber change and adjustable tension. The Ninja SmartClips are replacement plugs for all sizes of Ninja Channels. You will find a variety of replacement parts, channels and channel accessories in stock.