A revolutionary patent-pending system of four attachments that link up to one master platform, so they’re easy to change, easy to store and easy to afford. The master platform accepts all SmartLINK attachments and comes with the SmartLINK plug aerator. Like all SmartLINK attachments, the plug aerator attaches to the SmartLINK Master Platform in seconds, without tools. Plus, it’s backed by the Agri-Fab 3-year limited warranty.