BANK-GRATER

Now a lot of household groceries, from a tea infuser to a variety of bulk products are packaged in metal cans with lids.
Of such containers is easy to do for kitchen a handy little grater, punched in the lids with a nail rows of holes.

Using punches of different size, you can get specialized grater, for garlic, carrots, potatoes, onions. An important advantage of such devices is the tightness.