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

2, with a lighter to burn the bottle cap for a while, you can easily open the bottle cap.

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 lid edge loose, hear "sizzle" sound of air into the bottle when you can easily open the canning jar lid.