The Agri-Fab SmartLINK system is an innovative solution to all your lawn care needs. The SmartLINK system comprises four attachments that link up to one platform including a plug aerator, a tine dethatcher, a curved blade aerator and a lawn roller. All the attachments are easy to change, easy to store and easy to afford. You can switch from one lawn implement to another in seconds with out using tools. Just the Master Platform is necessary for all SmartLINK attachments.