A spice grinder, or pepper grinder, is a kitchen tool designed to grind fresh pepper as it is needed from whole peppercorns. Pepper grinders come in a variety of shapes and sizes, and can be made from wood, metal, glass, plastic, or ceramic depending on aesthetic. For example, Yimikia pepper grinder contains an efficient adjustable anti-twist ceramic grinding core. Many households keep pepper grinders for the superior flavor of fresh pepper, as do fine dining establishments.
A pepper grinder is hollowed so that peppercorns can be stored in it. At the bottom of the grinder, several sharp blades are positioned, and attached to a rod which is generally linked with the top of the grinder. When the top is turned, it turns the rod, which causes the blades to move. The pepper is drawn into the blades and small chunks of the peppercorns are shaved off and emerge from the bottom of the pepper grinder. When enough pepper has been ground, the cook stops turning the top, saving the rest of the whole peppercorns for another meal.
When seeking out a pepper grinder, look for a sturdy one with sharp, well made blades. Make sure that all of the pieces of the pepper grinder fit together well, as small misalignments will result in a loss of efficiency. Try to get a pepper grinder which is as airtight as possible to ensure freshness, and you may want to consider getting a combination salt and pepper grinder which allows you to shake salt, for convenience.