Method 2: Tap the bottom of the can a few times, then unscrew the lid of the can by hand, and the can can be easily opened.
Method 3: Burn the can cover with a lighter, the can cover will loosen when heated and expanded, and then screw the can cover by hand to open it easily.
Method 4: Cover the can cover with a wet cloth, and twist the can cover hard to increase friction and make it easy to open. Method 5: Prepare a bowl of boiling water first, and then scald the side with the lid in water, so that the lid will expand when heated, and it can be easily opened by screwing the lid by hand.