Bar Rotate / Jar

Do you have the same problem that difficult to open a jar by hand? In particular, for those users that loses their strengths to grip, such as the elder, children, even the people who have the hand injuries.
In order to let everyone can open the jar easily, we change the cap of the jar with a notch. So that user can put the common bar-shaped tableware inside the notch. With this motion, user can hold the bar-shaped tableware, such as spoon and fork, then rotating it to open the jar. Due to the moment of force, “Bar Rotate” will provide user a lever to impose strength to open the jar handily.