v slotMECCANIXITY 10 Pcs V Slot 2020 Aluminum Extrusion European Standard 1000mm 39 Inch Length Anodized Rail Silver White for CNC DIY 3D Printer and Industrial.To provide content to named slots, we need to use the v-slot directive on a template> element, providing the name of the slot as v-slot's argument: