The d-c-fix application kit contains a smoother with a felt edge, giving a flawless finish when applying any vinyl film, smoothing out any bubbles that may occur very easily. Smooth over the film, pushing any air trapped to the side. The kit also contains a knife, which is used to trim off any excess film from the edge of the surface, press the straight edge and run along the film to give a perfect result. The knife is versatile and can be snapped several times when it loses its sharpness over time.