1, turn the canning jar upside down and pat it, the bottle cap can be easily opened.

2, use a lighter to burn the lid for a while, you can easily open the lid.

3, the canning jar lid in hot water for a while, can also be the same reason to open the lid.

4, with a screwdriver to pry the edge of the lid loose, hear the "sizzle" sound of air into the bottle when you can easily open the canning jar lid.

This item is strictly sealed, the principle is: inside is a vacuum, only when the external pressure, a little gas into the open.

Method 1: Wrap the bottle in a towel to avoid injury and exposure of the mouth. The bottle will be parallel to the wall against the impact, the first time can be light and heavy to try to come, generally experienced people as long as the force is appropriate, three or two bottles immediately loosened, with the hand to turn the bottle cap, you can open this filling items.

Method 2: directly take an iron spoon or hammer to knock a few iron lid edge, knocking process will be diarrhea into the air, no longer a vacuum that cans are easy to open.

Method 3: Can mouth upward or horizontally, tapping at the bottom.