Catch Grinders have a ceramic grinding head which lasts much longer for adding fineness to your creation. The ceramic head ensures effortless, smooth and uniform grinding for evenness in flavour and enhanced visual appeal. About: Step 1 - Remove the neck shrink. | Step 2 - Open the cap. | Step 3 -Remove the seal. | Step 4 -Close the cap. | Step 5 -Hold the bottle upside down. | Step 6 -Rotate the cap to and fro from other hand over the dish.