The 3 layer grinder makes it easier to grind your herbs, it consist of three pieces to make screw and unscrew easy. It can fit into all bag an can be easily carried around.
It has a scrapper to remove and also prevent herb spilling. It can grind any kind of herb easily and efficiently. The 3 layer grinder is easy to clean and last long.
With this grinder you don't need any other grinder for your herb.