•Put the glass bottle (better wine bottle or beer bottle) on the support to confirm where you want to cut.
•Install the fixing baffle and the screw to the suitable position. Adjust the wheels. Wear gloves. And align bottle to the cutting knife.
•Push and rotate the bottle with balanced force with all your hands.
•Put 2 rubber ring on both sides of the cutting line on the bottle (The optimal distance between the two rubber rings is less than 1CM)
•Rinse alternately with boiling water and cold water(each time for more than 40 seconds) to the cutting line between the 2 rubber rings, until the bottle separates (If the bottle doesn’t separate, please repeat the 5th step. NOTE: please use enough hot water,preferably boiling water).
•Rubbing the cutting surface with sanding paper.