Step 1: Press the back of the knife by hand, and draw 180 degrees counterclockwise where there is a protrusion on the bottle mouth.

Step 2: Then draw 180 degrees clockwise.

Step 3: At this point, the bottle seal is opened and can be wiped clean with a dry cloth or paper towel.

Step 4: Then aim the bottle opener at the middle of the cork and rotate it vertically downward and clockwise.

Step 5: Control the strength, don't drill through the cork, drill slowly until the screw is almost in the cork.

Step 6: Then clip the top button of the bracket to the bottle mouth and the bottom button to the bottle mouth. Then slowly take out the cork, not directly, to prevent the sawdust from falling.

Step 7: Finally, slowly pull out the cork completely, and it is finished.