NBT Metal Grinder 40mm 4xParts (395)Package Includes: 1 x NBT Plastic Grinder 40mm 4pcs 1 x Drawstring bag How to use: Remove the top lid from the grinder Break the tobacco into piece and evenly distribute them on the grinder teeth (Do not place any tobacco in the centre of the grinder teeth as this is where the magnet is that holds the lid in place) Take the lid of the grinder and place it on top of the grinder teeth so that the centre magnet holds the lid in place Gently spin the lid