"Referring now to the drawing and more particularly to FIGS. 1-3 thereof, there is illustrated a head and back sheet 10, according to the present invention, made of a single sheet 12 of linen or fabric, or, preferably, of a relatively low-cost soft non-woven paper sheet material, or a combination of woven paper and plastic material, such as the material used for making the removable disposable head" . . . .