Rasp/File Holder or Finger Protector.
Charles Mak of Calgary, Alberta likes to use rubber thimblettes to protect his fingers from cuts when using a file or rasp. Available at office stores, these disposable finger cones often have raised nibs on the outside to provide a sure grip.
Edge Sanding Block.
To keep from rounding over the edges of a workpiece when sanding, Tom Roessler of Appleton, Wisconsin uses an edge sanding block. Adhesive-backed sandpaper is applied to the narrow piece with the rounded ends. The wide piece keeps the block square.