I looked at it again......could be that was improvised for the picture?
I don’t know - it looks like it’s a part of the design of the machine.
ING 1/4 cup good olive oil 6 garlic cloves, thinly sliced 1 tablespoon minced fresh thyme leaves 1 teaspoon minced fresh rosemary leaves
teaspoon kosher salt 1 teaspoon freshly ground black pepper 1 crusty French baguette
METHOD Distribute Val D'Osta Fontina cubes evenly in a 12-inch cast-iron pan. Drizzle on the olive oil. Combine the garlic, thyme, and rosemary and sprinkle it over. S/p; broiler 5" from heat 6 min, til cheese is melted and bubbling and starts to brown.
Serve family-style-right out of the oven in the cast-iron pan with crusty chunks of bread to dip.