Device for securing elements to a wire grid

A device for fastening elements to at least one first grating composed of wires, the device comprising at least two essentially flat elements which are connectable to each other and clampable around the wires of the at least first grating, said elements having at least one side with side edges, ribs provided along said side edges and leaving corner regions of said side edges being open, said ribs having sides, said sides of said ribs and said at least one side of said elements being placeable at least partially against the wires of the at least first grating, wherein a square, first raised area is formed onto a center portion of said at least one side of at least one of said elements, said square, first raised area having a surface area that is smaller than a surface area of said at least one element, wherein a second raised area is formed onto said square, first raised area, said second raised area having a surface area that is smaller than the surface area of said first raised area, said second raised area having sides, said sides of said second raised area and said surface area of said first raised area being arranged to rest at least partially against wires of a second grating.