the holder 7 a each comprise a screw thread 11 12 to allow the holder 7 a to be screwed into the aperture 9 such that the fragrance cartridge 7 is releasably secured to the sole plate 3 however in alternate embodiments not shown the screw threads 11 12 are omitted and instead the fragrance cartridge 7 is releasably secured in the aperture 9 in a different manner for example the holder 7 a may be releasably clipped into the aperture 9 in the sole plate 3 or releasably secured therein by non permanent adhesive in the above described embodiments the fragrance cartridge 7 is removable from the aperture 9 is the sole plate 3 to allow for easy replacement of the fragrance receiving element 8 and supply of the fragrance receiving element 8 with fragrance however in an alternate embodiment now shown the fragrance cartridge 7 is permanently fixed in the aperture 9 of the sole plate 3 for example the holder 7 a may be adhered to the sole plate 3 by permanent adhesive although in the above described embodiments the fragrance receiving element 8 is removable from the holder 7 a to allow for easy maintenance and for the fragrance receiving element 8 to be swapped with another that is used to absorb a different fragrance in alternate embodiments not shown the fragrance receiving element is permanently secured to the holder in the above described embodiments the user supplies drops of liquefied fragrance for example perfume or essential oils to the.