1. Open the top bottle cap;

2. There is a knob in the middle that indicates the thickness of the pepper noodles, which is the white plastic button in the middle of the picture below (like Two Kitty ears) and turn it counterclockwise (keep twisting it to the left hand direction, like a screw, and it will come out of the black spot);

3. Add pepper;

4, it is about two-thirds full. Refer to the original situation and rotate the plastic back clockwise (see picture c). Like turning on the heating knob on your bathroom water heater.