A nutmeg grater, or nutmeg rasp, is a device used to grate a nutmeg seed. The grater may be combined with a compartment for storing the nutmeg seed between uses. There are three cylinders&colon; a fine grater, medium grater, and a slice-producing cutter. To make bonito flakes it is shaved very thin using a Katsuobushi grater box. Most often the rasping of potato tubers is carried out with a rotary grater. The traditional grating tool for "wasabi" is a sharkskin grater or "samegawa oroshi". They are made by scraping young corn ears on a grater. If a shark-skin grater is unavailable, a ceramic cheese grater can be an acceptable substitute. The Cheese Grater and a number of smaller publications. A surform tool (also surface-forming tool) features perforated sheet metal and resembles a food grater. There are two versions of the grater in common use with different coarseness. Local residents have sometimes nicknamed the building the "cheese grater" for its paneled exterior appearance. A hand-made grater with irregular shark teeth can also be used. A grater or similar tool will also do. This surface is somewhat similar to the surface of the "oroshigane" (grater).