Image Masking Services Among others, Photoshop image masking is used with path clipping techniques to knockout the background of complex images to be placed for advertisement displays in e-commerce website or catalogs. Photoshop masking, as a photo editing service is further useful when clipping path alone is not adequate on hair, fur, or semi transparent or translucent images like glasses, feathers, smoke, flames, highlights, lighting, chiffon, muslin, etc.