No button, no effort, no mess. The Graviti Mill, by Trudeau, is a battery operated mill that has a unique gravity operated system. All you have to do is flip it, to have fresh ground salt. But this grinder is not limited to salt; it can be used with any dry spice. It has a ceramic grinder that stays sharp and will not rust. Plus, it"s adjustable so you can have any grind - from fine to course. Attractive chrome finish. One year warranty. By Trudeau a company that develops visionary products. Add an exciting flavor to your day, with Trudeau. Style eloquence, innovation Trudeau letting you savor life"s little moments.