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Before we worry about how to open a jar. Now we have the “EASY TO OPEN”, We have solved this problem successfully.
We only use of a resilient plastic ring and a rubber washer, just use leverage principle.
When you use it, just pull the plastic ring and fit it to the lid, then push to buckle and to open the jar. So easy to open a jar, no matter how difficult to open jars! no matter how much is your strength! no matter how old are you!
YE Feng，LI Ke
China Academy of Art